Mercurial > hg > openjdk > jigsaw > langtools
changeset 1749:08782b8b03ce
8008537: Missing method reference lookup error when unbound search finds a static method
Summary: Static-ness check should be applied after member reference resolution
Reviewed-by: jjg
| author | mcimadamore |
|---|---|
| date | Thu, 28 Feb 2013 14:05:52 +0000 |
| parents | 332f23993353 |
| children | 6f988040a1c8 |
| files | src/share/classes/com/sun/tools/javac/comp/Attr.java src/share/classes/com/sun/tools/javac/comp/Resolve.java src/share/classes/com/sun/tools/javac/resources/compiler.properties test/tools/javac/diags/examples/NonStaticCantBeRefFragment.java test/tools/javac/diags/examples/StaticMethodInUnboundLookup.java test/tools/javac/lambda/MethodReference22.java test/tools/javac/lambda/MethodReference22.out test/tools/javac/lambda/MethodReference28.out test/tools/javac/lambda/MethodReference51.out test/tools/javac/lambda/TargetType60.java test/tools/javac/lambda/TargetType60.out |
| diffstat | 11 files changed, 123 insertions(+), 58 deletions(-) [+] |
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--- a/src/share/classes/com/sun/tools/javac/comp/Attr.java Thu Feb 28 14:05:44 2013 +0000 +++ b/src/share/classes/com/sun/tools/javac/comp/Attr.java Thu Feb 28 14:05:52 2013 +0000 @@ -2624,7 +2624,34 @@ that.sym = refSym.baseSymbol(); that.kind = lookupHelper.referenceKind(that.sym); + if (desc.getReturnType() == Type.recoveryType) { + // stop here + result = that.type = target; + return; + } + if (resultInfo.checkContext.deferredAttrContext().mode == AttrMode.CHECK) { + + if (!that.kind.isUnbound() && + that.getMode() == ReferenceMode.INVOKE && + TreeInfo.isStaticSelector(that.expr, names) && + !that.sym.isStatic()) { + log.error(that.expr.pos(), "invalid.mref", Kinds.kindName(that.getMode()), + diags.fragment("non-static.cant.be.ref", Kinds.kindName(refSym), refSym)); + result = that.type = types.createErrorType(target); + return; + } + + if (that.kind.isUnbound() && + that.getMode() == ReferenceMode.INVOKE && + TreeInfo.isStaticSelector(that.expr, names) && + that.sym.isStatic()) { + log.error(that.expr.pos(), "invalid.mref", Kinds.kindName(that.getMode()), + diags.fragment("static.method.in.unbound.lookup", Kinds.kindName(refSym), refSym)); + result = that.type = types.createErrorType(target); + return; + } + if (that.sym.isStatic() && TreeInfo.isStaticSelector(that.expr, names) && exprType.getTypeArguments().nonEmpty()) { //static ref with class type-args @@ -2649,12 +2676,6 @@ } } - if (desc.getReturnType() == Type.recoveryType) { - // stop here - result = that.type = target; - return; - } - that.sym = refSym.baseSymbol(); that.kind = lookupHelper.referenceKind(that.sym);
--- a/src/share/classes/com/sun/tools/javac/comp/Resolve.java Thu Feb 28 14:05:44 2013 +0000 +++ b/src/share/classes/com/sun/tools/javac/comp/Resolve.java Thu Feb 28 14:05:52 2013 +0000 @@ -2661,22 +2661,12 @@ super(referenceTree, name, site, argtypes, typeargtypes, maxPhase); } - protected Symbol lookupReferenceInternal(Env<AttrContext> env, MethodResolutionPhase phase) { + @Override + final Symbol lookup(Env<AttrContext> env, MethodResolutionPhase phase) { return findMethod(env, site, name, argtypes, typeargtypes, phase.isBoxingRequired(), phase.isVarargsRequired(), syms.operatorNames.contains(name)); } - protected Symbol adjustLookupResult(Env<AttrContext> env, Symbol sym) { - return !TreeInfo.isStaticSelector(referenceTree.expr, names) || - sym.kind != MTH || - sym.isStatic() ? sym : new StaticError(sym); - } - - @Override - final Symbol lookup(Env<AttrContext> env, MethodResolutionPhase phase) { - return adjustLookupResult(env, lookupReferenceInternal(env, phase)); - } - @Override ReferenceLookupHelper unboundLookup() { if (TreeInfo.isStaticSelector(referenceTree.expr, names) && @@ -2721,11 +2711,6 @@ } @Override - protected Symbol adjustLookupResult(Env<AttrContext> env, Symbol sym) { - return sym.kind != MTH || !sym.isStatic() ? sym : new StaticError(sym); - } - - @Override ReferenceLookupHelper unboundLookup() { return this; }
--- a/src/share/classes/com/sun/tools/javac/resources/compiler.properties Thu Feb 28 14:05:44 2013 +0000 +++ b/src/share/classes/com/sun/tools/javac/resources/compiler.properties Thu Feb 28 14:05:52 2013 +0000 @@ -1901,6 +1901,10 @@ compiler.misc.non-static.cant.be.ref=\ non-static {0} {1} cannot be referenced from a static context +# 0: symbol kind, 1: symbol +compiler.misc.static.method.in.unbound.lookup=\ + static {0} {1} found in unbound lookup + ## Both arguments ({0}, {1}) are "kindname"s. {0} is a comma-separated list ## of kindnames (the list should be identical to that provided in source. compiler.err.unexpected.type=\
--- a/test/tools/javac/diags/examples/NonStaticCantBeRefFragment.java Thu Feb 28 14:05:44 2013 +0000 +++ b/test/tools/javac/diags/examples/NonStaticCantBeRefFragment.java Thu Feb 28 14:05:52 2013 +0000 @@ -21,9 +21,8 @@ * questions. */ -// key: compiler.err.prob.found.req // key: compiler.misc.non-static.cant.be.ref -// key: compiler.misc.invalid.mref +// key: compiler.err.invalid.mref class NonStaticCantBeRefFragment {
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/diags/examples/StaticMethodInUnboundLookup.java Thu Feb 28 14:05:52 2013 +0000 @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +// key: compiler.err.invalid.mref +// key: compiler.misc.static.method.in.unbound.lookup + +class StaticBoundMref { + + interface SAM { + void m(StaticBoundMref m); + } + + SAM s = StaticBoundMref::m; + + static void m() { } +}
--- a/test/tools/javac/lambda/MethodReference22.java Thu Feb 28 14:05:44 2013 +0000 +++ b/test/tools/javac/lambda/MethodReference22.java Thu Feb 28 14:05:52 2013 +0000 @@ -48,19 +48,19 @@ } static void test2() { - SAM2 s1 = MethodReference22::m1; //ok - call2(MethodReference22::m1); //ok - SAM2 s2 = MethodReference22::m2; //ok - call2(MethodReference22::m2); //ok - SAM2 s3 = MethodReference22::m3; //fail - call2(MethodReference22::m3); //fail - SAM2 s4 = MethodReference22::m4; //fail - call2(MethodReference22::m4); //fail + SAM2 s1 = MethodReference22::m1; //ambiguous + call2(MethodReference22::m1); //ambiguous + SAM2 s2 = MethodReference22::m2; //ambiguous + call2(MethodReference22::m2); //ambiguous + SAM2 s3 = MethodReference22::m3; //ambiguous + call2(MethodReference22::m3); //ambiguous + SAM2 s4 = MethodReference22::m4; //ambiguous + call2(MethodReference22::m4); //ambiguous } static void test3() { - call3(MethodReference22::m1); //ok - call3(MethodReference22::m2); //ambiguous + call3(MethodReference22::m1); //fail + call3(MethodReference22::m2); //ok call3(MethodReference22::m3); //ok call3(MethodReference22::m4); //fail }
--- a/test/tools/javac/lambda/MethodReference22.out Thu Feb 28 14:05:44 2013 +0000 +++ b/test/tools/javac/lambda/MethodReference22.out Thu Feb 28 14:05:52 2013 +0000 @@ -1,11 +1,15 @@ -MethodReference22.java:40:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.String))) -MethodReference22.java:41:9: compiler.err.cant.apply.symbol: kindname.method, call1, MethodReference22.SAM1, @999, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.String)))) -MethodReference22.java:46:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String))) -MethodReference22.java:47:9: compiler.err.cant.apply.symbol: kindname.method, call1, MethodReference22.SAM1, @1270, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String)))) -MethodReference22.java:55:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m3(MethodReference22,java.lang.String))) -MethodReference22.java:56:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1574, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m3(MethodReference22,java.lang.String)))) +MethodReference22.java:40:19: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.String)) +MethodReference22.java:41:15: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.String)) +MethodReference22.java:46:19: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String)) +MethodReference22.java:47:15: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String)) +MethodReference22.java:51:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m1, kindname.method, m1(MethodReference22,java.lang.String), MethodReference22, kindname.method, m1(java.lang.String), MethodReference22)) +MethodReference22.java:52:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1401, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m1, kindname.method, m1(MethodReference22,java.lang.String), MethodReference22, kindname.method, m1(java.lang.String), MethodReference22))) +MethodReference22.java:53:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m2, kindname.method, m2(MethodReference22,java.lang.String), MethodReference22, kindname.method, m2(java.lang.String), MethodReference22)) +MethodReference22.java:54:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1504, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m2, kindname.method, m2(MethodReference22,java.lang.String), MethodReference22, kindname.method, m2(java.lang.String), MethodReference22))) +MethodReference22.java:55:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m3, kindname.method, m3(MethodReference22,java.lang.String), MethodReference22, kindname.method, m3(java.lang.String), MethodReference22)) +MethodReference22.java:56:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1607, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m3, kindname.method, m3(MethodReference22,java.lang.String), MethodReference22, kindname.method, m3(java.lang.String), MethodReference22))) MethodReference22.java:57:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m4, kindname.method, m4(MethodReference22,java.lang.String), MethodReference22, kindname.method, m4(java.lang.String), MethodReference22)) -MethodReference22.java:58:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1667, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m4, kindname.method, m4(MethodReference22,java.lang.String), MethodReference22, kindname.method, m4(java.lang.String), MethodReference22))) -MethodReference22.java:63:9: compiler.err.ref.ambiguous: call3, kindname.method, call3(MethodReference22.SAM1), MethodReference22, kindname.method, call3(MethodReference22.SAM2), MethodReference22 -MethodReference22.java:65:9: compiler.err.cant.apply.symbols: kindname.method, call3, @1881,{(compiler.misc.inapplicable.method: kindname.method, MethodReference22, call3(MethodReference22.SAM1), (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String))))),(compiler.misc.inapplicable.method: kindname.method, MethodReference22, call3(MethodReference22.SAM2), (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m4, kindname.method, m4(MethodReference22,java.lang.String), MethodReference22, kindname.method, m4(java.lang.String), MethodReference22))))} -10 errors +MethodReference22.java:58:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1710, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m4, kindname.method, m4(MethodReference22,java.lang.String), MethodReference22, kindname.method, m4(java.lang.String), MethodReference22))) +MethodReference22.java:62:15: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.String)) +MethodReference22.java:65:15: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String)) +14 errors
--- a/test/tools/javac/lambda/MethodReference28.out Thu Feb 28 14:05:44 2013 +0000 +++ b/test/tools/javac/lambda/MethodReference28.out Thu Feb 28 14:05:52 2013 +0000 @@ -1,7 +1,7 @@ MethodReference28.java:31:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, static_m2, java.lang.Integer,java.lang.Integer, int, kindname.class, MethodReference28, (compiler.misc.arg.length.mismatch))) MethodReference28.java:32:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, static_m3, java.lang.String, int, kindname.class, MethodReference28, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: int, java.lang.String)))) MethodReference28.java:33:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, static_m4, java.lang.String[], int, kindname.class, MethodReference28, (compiler.misc.varargs.argument.mismatch: (compiler.misc.inconvertible.types: int, java.lang.String)))) -MethodReference28.java:37:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.Integer))) +MethodReference28.java:37:19: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.Integer)) MethodReference28.java:38:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, m2, java.lang.Integer,java.lang.Integer, int, kindname.class, MethodReference28, (compiler.misc.arg.length.mismatch))) MethodReference28.java:39:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, m3, java.lang.String, int, kindname.class, MethodReference28, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: int, java.lang.String)))) MethodReference28.java:40:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, m4, java.lang.String[], int, kindname.class, MethodReference28, (compiler.misc.varargs.argument.mismatch: (compiler.misc.inconvertible.types: int, java.lang.String))))
--- a/test/tools/javac/lambda/MethodReference51.out Thu Feb 28 14:05:44 2013 +0000 +++ b/test/tools/javac/lambda/MethodReference51.out Thu Feb 28 14:05:52 2013 +0000 @@ -2,6 +2,6 @@ MethodReference51.java:40:21: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, f, java.lang.String, int, kindname.class, MethodReference51, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: int, java.lang.String)))) MethodReference51.java:41:21: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbols: kindname.method, g, int,{(compiler.misc.inapplicable.method: kindname.method, MethodReference51, g(java.lang.Integer,java.lang.Number), (compiler.misc.arg.length.mismatch)),(compiler.misc.inapplicable.method: kindname.method, MethodReference51, g(java.lang.Number,java.lang.Integer), (compiler.misc.arg.length.mismatch))})) MethodReference51.java:42:32: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: g, kindname.method, g(java.lang.Integer,java.lang.Number), MethodReference51, kindname.method, g(java.lang.Number,java.lang.Integer), MethodReference51)) -MethodReference51.java:43:21: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, h(int))) +MethodReference51.java:43:21: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, h(int)) MethodReference51.java:44:21: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.not.def.access.class.intf.cant.access: j(int), MethodReference51.Foo)) 6 errors
--- a/test/tools/javac/lambda/TargetType60.java Thu Feb 28 14:05:44 2013 +0000 +++ b/test/tools/javac/lambda/TargetType60.java Thu Feb 28 14:05:52 2013 +0000 @@ -29,10 +29,24 @@ void m012(String s) { } void m012(String s1, String s2) { } + void n0() { } + void n1(String s) { } + void n2(TargetType60 rec, String s2) { } + + void n01() { } + void n01(String s) { } + + void n012() { } + void n012(String s) { } + void n012(TargetType60 rec, String s2) { } + static String g(Sam0 s) { return null; } static <U> U g(Sam1<U> s) { return null; } static <U> U g(Sam2<U,String> s) { return null; } + static <U> U u(Sam1<U> s) { return null; } + static <U> U u(Sam2<U,String> s) { return null; } + void testBound() { String s1 = g(this::m0); //ok - resolves to g(Sam0) String s2 = g(this::m1); //ok - resolves to g(Sam1) @@ -42,10 +56,10 @@ } static void testUnbound() { - TargetType60 s1 = g(TargetType60::m0); //ok - resolves to g(Sam1) - TargetType60 s2 = g(TargetType60::m1); //ok - resolves to g(Sam2) - TargetType60 s3 = g(TargetType60::m2); //none is applicable - TargetType60 s4 = g(TargetType60::m01);//ambiguous (g(Sam1), g(Sam2) apply) - TargetType60 s5 = g(TargetType60::m012);//ambiguous (g(Sam1), g(Sam2) apply) + TargetType60 s1 = u(TargetType60::n0); //ok - resolves to u(Sam1) + TargetType60 s2 = u(TargetType60::n1); //ambiguous (u(Sam1), u(Sam2) apply) + TargetType60 s3 = u(TargetType60::n2); //none is applicable + TargetType60 s4 = u(TargetType60::n01);//ambiguous (u(Sam1), u(Sam2) apply) + TargetType60 s5 = u(TargetType60::n012);//ambiguous (u(Sam1), u(Sam2) apply) } }
--- a/test/tools/javac/lambda/TargetType60.out Thu Feb 28 14:05:44 2013 +0000 +++ b/test/tools/javac/lambda/TargetType60.out Thu Feb 28 14:05:52 2013 +0000 @@ -1,6 +1,8 @@ -TargetType60.java:40:21: compiler.err.ref.ambiguous: g, kindname.method, g(TargetType60.Sam0), TargetType60, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60 -TargetType60.java:41:21: compiler.err.ref.ambiguous: g, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>g(TargetType60.Sam2<U,java.lang.String>), TargetType60 -TargetType60.java:47:27: compiler.err.cant.apply.symbols: kindname.method, g, @1304,{(compiler.misc.inapplicable.method: kindname.method, TargetType60, g(TargetType60.Sam0), (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, m2, java.lang.String,java.lang.String, compiler.misc.no.args, kindname.class, TargetType60, (compiler.misc.arg.length.mismatch))))),(compiler.misc.inapplicable.method: kindname.method, TargetType60, <U>g(TargetType60.Sam1<U>), (compiler.misc.infer.no.conforming.assignment.exists: U, (compiler.misc.incompatible.arg.types.in.mref))),(compiler.misc.inapplicable.method: kindname.method, TargetType60, <U>g(TargetType60.Sam2<U,java.lang.String>), (compiler.misc.infer.no.conforming.assignment.exists: U, (compiler.misc.incompatible.arg.types.in.mref)))} -TargetType60.java:48:27: compiler.err.ref.ambiguous: g, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>g(TargetType60.Sam2<U,java.lang.String>), TargetType60 -TargetType60.java:49:27: compiler.err.ref.ambiguous: g, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>g(TargetType60.Sam2<U,java.lang.String>), TargetType60 -5 errors +TargetType60.java:54:21: compiler.err.ref.ambiguous: g, kindname.method, g(TargetType60.Sam0), TargetType60, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60 +TargetType60.java:55:21: compiler.err.ref.ambiguous: g, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>g(TargetType60.Sam2<U,java.lang.String>), TargetType60 +TargetType60.java:60:27: compiler.err.ref.ambiguous: u, kindname.method, <U>u(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>u(TargetType60.Sam2<U,java.lang.String>), TargetType60 +TargetType60.java:60:28: compiler.err.prob.found.req: (compiler.misc.infer.no.conforming.assignment.exists: U, (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, n1, java.lang.String, TargetType60, kindname.class, TargetType60, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: TargetType60, java.lang.String))))) +TargetType60.java:61:29: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, n2(TargetType60,java.lang.String)) +TargetType60.java:62:27: compiler.err.ref.ambiguous: u, kindname.method, <U>u(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>u(TargetType60.Sam2<U,java.lang.String>), TargetType60 +TargetType60.java:63:27: compiler.err.ref.ambiguous: u, kindname.method, <U>u(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>u(TargetType60.Sam2<U,java.lang.String>), TargetType60 +7 errors