clang gets confused by redefinition of extern inline functions.

[llvmbot]

Bugzilla Link	3341
Resolution	DUPLICATE
Resolved on	Mar 12, 2010 00:59
Version	unspecified
OS	Linux
Reporter	LLVM Bugzilla Contributor
CC	@efriedma-quic

Extended Description

--->
/* from c torture. */
inline extern int foo () { return 0; }
inline extern int bar () { return 0; }
inline static int bar () { return foo(); }
---<
$ gcc -W -Wall -pedantic -c -o file.o file.c
no problem

$ clang file.c
20021120-1.c:4:19: error: redefinition of 'bar'
inline static int bar () { return foo(); }
^
20021120-1.c:3:19: note: previous definition is here
inline extern int bar () { return 0; }
^
2 diagnostics generated.

[efriedma-quic]

Note that gcc also rejects this in -std=c99 mode.

[lattner]

*** Bug llvm/llvm-bugzilla-archive#3644 has been marked as a duplicate of this bug. ***

[lattner]

Here's a testcase from llvm/llvm-bugzilla-archive#3644 :

extern inline void f0(void) { }
void f0(void) { }

[llvmbot]

Our handling of inline is wrong in many places; I don't see a need to have more than one bug tracking this.

*** This bug has been marked as a duplicate of bug #3305 ***

[llvmbot]

*** Bug llvm/llvm-bugzilla-archive#5089 has been marked as a duplicate of this bug. ***

[lattner]

mentioned in issue llvm/llvm-bugzilla-archive#3644

[llvmbot]

mentioned in issue llvm/llvm-bugzilla-archive#5089