commit 51dd0185d6dbecb66e1533e9a17d2ebeae42dce7
author Eli Friedman <eli.friedman@gmail.com> Mon Jun 13 23:56:42 2011 +0000
committer Eli Friedman <eli.friedman@gmail.com> Mon Jun 13 23:56:42 2011 +0000
tree 39164357a694427fa5d084da408662c071858750
parent 922e4940bd68b377e73abfe638a339dd1b79c09d

Make __gnu_inline__ functions in gnu99 mode work the same way as inline functions in gnu89 mode in terms of redefinitions.

rdar://9559708 .

llvm-svn: 132953

clang/lib/Sema/SemaDecl.cpp

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index a783575..a308892 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -1527,7 +1527,8 @@
 /// GNU89 mode.
 static bool canRedefineFunction(const FunctionDecl *FD,
                                 const LangOptions& LangOpts) {
-  return (LangOpts.GNUInline && !LangOpts.CPlusPlus &&
+  return ((FD->hasAttr<GNUInlineAttr>() || LangOpts.GNUInline) &&
+          !LangOpts.CPlusPlus &&
           FD->isInlineSpecified() &&
           FD->getStorageClass() == SC_Extern);
 }