Author: efriedma
Date: Fri Dec 25 21:35:45 2009
New Revision: 92166
URL: http://llvm.org/viewvc/llvm-project?rev=92166&view=rev
Log:
Don't look through casts when looking for the underlying decl for a function
call; the standard doesn't expect us to, and the program could be doing
something crazy. Fixes PR5882.
Added:
cfe/trunk/test/CodeGen/func-ptr-cast-decl.c
Modified:
cfe/trunk/lib/Sema/SemaExpr.cpp
Modified: cfe/trunk/lib/Sema/SemaExpr.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExpr.cpp?rev=92166&r1=92165&r2=92166&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaExpr.cpp (original)
+++ cfe/trunk/lib/Sema/SemaExpr.cpp Fri Dec 25 21:35:45 2009
@@ -3373,7 +3373,7 @@
// Also, in C++, keep track of whether we should perform argument-dependent
// lookup and whether there were any explicitly-specified template arguments.
- Expr *NakedFn = Fn->IgnoreParenCasts();
+ Expr *NakedFn = Fn->IgnoreParens();
if (isa<UnresolvedLookupExpr>(NakedFn)) {
UnresolvedLookupExpr *ULE = cast<UnresolvedLookupExpr>(NakedFn);
return BuildOverloadedCallExpr(Fn, ULE, LParenLoc, Args, NumArgs,
Added: cfe/trunk/test/CodeGen/func-ptr-cast-decl.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/func-ptr-cast-decl.c?rev=92166&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/func-ptr-cast-decl.c (added)
+++ cfe/trunk/test/CodeGen/func-ptr-cast-decl.c Fri Dec 25 21:35:45 2009
@@ -0,0 +1,6 @@
+// RUN: %clang_cc1 -emit-llvm-only %s -verify
+// PR5882
+
+int q_sk_num(void *a);
+typedef int (*fptr)(double);
+void a() { ((fptr)q_sk_num)(0); }
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