reject attribute weak on internal variables

[llvmbot]

Bugzilla Link	3982
Resolution	FIXED
Resolved on	Mar 12, 2010 00:57
Version	unspecified
OS	All
Reporter	LLVM Bugzilla Contributor

Extended Description

--
ddunbar@67-218-103-134:tmp$ cat x.c
static int x attribute((weak));
ddunbar@67-218-103-134:tmp$ clang -fsyntax-only x.c
ddunbar@67-218-103-134:tmp$ gcc -fsyntax-only x.c
x.c:1: error: weak declaration of 'x' must be public

[llvmbot]

Fixed in r75879. Testcase added to test/Sema/attr-weak.c