PR11062: Make C99 inlining work properly for names with associated builtin libcalls.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141723 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index 5cd9858..3e5c253 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -1856,7 +1856,12 @@
// Only consider file-scope declarations in this test.
if (!Redecl->getLexicalDeclContext()->isTranslationUnit())
continue;
-
+
+ // Only consider explicit declarations; the presence of a builtin for a
+ // libcall shouldn't affect whether a definition is externally visible.
+ if (Redecl->isImplicit())
+ continue;
+
if (!Redecl->isInlineSpecified() || Redecl->getStorageClass() == SC_Extern)
return true; // Not an inline definition
}