[cfe-commits] r72409 - in /cfe/trunk: lib/AST/Expr.cpp test/SemaCXX/blocks.cpp

[Anders Carlsson]

Author: andersca
Date: Mon May 25 21:03:20 2009
New Revision: 72409

URL: http://llvm.org/viewvc/llvm-project?rev=72409&view=rev
Log:
A block that returns a reference is an lvalue.

Modified:
    cfe/trunk/lib/AST/Expr.cpp
    cfe/trunk/test/SemaCXX/blocks.cpp

Modified: cfe/trunk/lib/AST/Expr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/Expr.cpp?rev=72409&r1=72408&r2=72409&view=diff

==============================================================================
--- cfe/trunk/lib/AST/Expr.cpp (original)
+++ cfe/trunk/lib/AST/Expr.cpp Mon May 25 21:03:20 2009
@@ -776,6 +776,9 @@
     QualType CalleeType = cast<CallExpr>(this)->getCallee()->getType();
     if (const PointerType *FnTypePtr = CalleeType->getAsPointerType())
       CalleeType = FnTypePtr->getPointeeType();
+    else if (const BlockPointerType *BPT = CalleeType->getAsBlockPointerType())
+      CalleeType = BPT->getPointeeType();
+    
     if (const FunctionType *FnType = CalleeType->getAsFunctionType())
       if (FnType->getResultType()->isLValueReferenceType())
         return LV_Valid;

Modified: cfe/trunk/test/SemaCXX/blocks.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/blocks.cpp?rev=72409&r1=72408&r2=72409&view=diff

==============================================================================
--- cfe/trunk/test/SemaCXX/blocks.cpp (original)
+++ cfe/trunk/test/SemaCXX/blocks.cpp Mon May 25 21:03:20 2009
@@ -5,3 +5,7 @@
 void tovoid_test(int (^f)(int, int)) {
   tovoid(f);
 }
+
+void reference_lvalue_test(int& (^f)()) {
+  f() = 10;
+}