[cfe-commits] r41557 - /cfe/trunk/AST/Expr.cpp

[Neil Booth]

Steve Naroff wrote:-

> Author: snaroff
> Date: Tue Aug 28 16:20:34 2007
> New Revision: 41557
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=41557&view=rev
> Log:
> Teach Expr::isNullPointerConstant() about ImplicitCastExpr's.
> 
> This fixes the following (recent) regression noticed by Keith Bauer (thanks!).
> 
> void func(void *a);
> 
> main() {
>   void *p;
>   p = 0;
>   func(0);
> }
> 
> ..which now works as you would expect.

Hi Steve,

In a similar vein though

	const char *f (void) { return 0; }

fails to compile.

/tmp/bug.c:1:25: error: incompatible type returning 'int', expected
'char const *'
const char *f7 (void) { return 0; }
                        ^      ~
Neil.