Mercurial > hg > openjdk > lambda > langtools
changeset 2292:70b37cdb19d5
8019480: Javac crashes when method is called on a type-variable receiver from lambda expression
Summary: Logic for shortcircuiting speculative attribution doesn't handle type-variable receivers
Reviewed-by: jjg, vromero
| author | mcimadamore |
|---|---|
| date | Fri, 05 Jul 2013 11:02:17 +0100 |
| parents | 7b756b307e12 |
| children | b0386f0dc28e |
| files | src/share/classes/com/sun/tools/javac/comp/DeferredAttr.java test/tools/javac/lambda/8019480/T8019480.java test/tools/javac/lambda/8019480/T8019480.out |
| diffstat | 3 files changed, 30 insertions(+), 0 deletions(-) [+] |
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--- a/src/share/classes/com/sun/tools/javac/comp/DeferredAttr.java Fri Jul 05 11:00:19 2013 +0100 +++ b/src/share/classes/com/sun/tools/javac/comp/DeferredAttr.java Fri Jul 05 11:02:17 2013 +0100 @@ -941,6 +941,10 @@ attribSpeculative(rec, env, attr.unknownTypeExprInfo).type : env.enclClass.sym.type; + while (site.hasTag(TYPEVAR)) { + site = site.getUpperBound(); + } + ListBuffer<Type> args = ListBuffer.lb(); for (int i = 0; i < tree.args.length(); i ++) { args.append(Type.noType);
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/lambda/8019480/T8019480.java Fri Jul 05 11:02:17 2013 +0100 @@ -0,0 +1,23 @@ +/* + * @test /nodynamiccopyright/ + * @bug 8019480 + * @summary Javac crashes when method is called on a type-variable receiver from lambda expression + * @author Maurizio Cimadamore + * @compile/fail/ref=T8019480.out -XDrawDiagnostics T8019480.java + */ +import java.util.*; + +class T8019480<U> { + interface Predicate<T> { + void m(T t); + } + + interface Stream<T> { + void forEach(Predicate<T> pt); + } + + void test(U current, Stream<U> stream) { + List<U> list3 = new ArrayList<>(); + stream.forEach(i -> list3.add(current.clone())); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/lambda/8019480/T8019480.out Fri Jul 05 11:02:17 2013 +0100 @@ -0,0 +1,3 @@ +T8019480.java:21:46: compiler.err.report.access: clone(), protected, java.lang.Object +T8019480.java:21:34: compiler.err.cant.apply.symbols: kindname.method, add, java.lang.Object,{(compiler.misc.inapplicable.method: kindname.method, java.util.Collection, add(U), (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: java.lang.Object, U))),(compiler.misc.inapplicable.method: kindname.method, java.util.List, add(U), (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: java.lang.Object, U))),(compiler.misc.inapplicable.method: kindname.method, java.util.List, add(int,U), (compiler.misc.arg.length.mismatch))} +2 errors