From fea484560945ee26c883f1a455e38e11d9743757 Mon Sep 17 00:00:00 2001 From: Charles Davis Date: Thu, 18 Feb 2010 02:00:42 +0000 Subject: Allow redefinitions of extern inline functions in GNU89 mode, just as GCC does. Fixes PR5253. llvm-svn: 96553 --- clang/test/Sema/inline.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'clang/test/Sema/inline.c') diff --git a/clang/test/Sema/inline.c b/clang/test/Sema/inline.c index 3c99f243378..b4795d3d936 100644 --- a/clang/test/Sema/inline.c +++ b/clang/test/Sema/inline.c @@ -1,6 +1,22 @@ -// RUN: %clang_cc1 -fsyntax-only -verify %s +// RUN: %clang_cc1 -std=gnu89 -fsyntax-only -verify %s // Check that we don't allow illegal uses of inline inline int a; // expected-error{{'inline' can only appear on functions}} typedef inline int b; // expected-error{{'inline' can only appear on functions}} int d(inline int a); // expected-error{{'inline' can only appear on functions}} + +// PR5253 +// GNU Extension: check that we can redefine an extern inline function +extern inline int f(int a) {return a;} +int f(int b) {return b;} // expected-note{{previous definition is here}} +// And now check that we can't redefine a normal function +int f(int c) {return c;} // expected-error{{redefinition of 'f'}} + +// Check that we can redefine an extern inline function as a static function +extern inline int g(int a) {return a;} +static int g(int b) {return b;} + +// Check that we ensure the types of the two definitions are the same +extern inline int h(int a) {return a;} // expected-note{{previous definition is here}} +int h(short b) {return b;} // expected-error{{conflicting types for 'h'}} + -- cgit v1.2.3