Add a new "available_externally" linkage type. This is intended
to support C99 inline, GNU extern inline, etc. Related bugzilla's
include PR3517, PR3100, & PR2933. Nothing uses this yet, but it
appears to work.
llvm-svn: 68940
diff --git a/llvm/lib/Linker/LinkModules.cpp b/llvm/lib/Linker/LinkModules.cpp
index 0ca4e10f..4a15d88 100644
--- a/llvm/lib/Linker/LinkModules.cpp
+++ b/llvm/lib/Linker/LinkModules.cpp
@@ -480,9 +480,10 @@
} else if (Src->isWeakForLinker()) {
// At this point we know that Dest has LinkOnce, External*, Weak, Common,
// or DLL* linkage.
- if ((Dest->hasLinkOnceLinkage() &&
- (Src->hasWeakLinkage() || Src->hasCommonLinkage())) ||
- Dest->hasExternalWeakLinkage()) {
+ if (Dest->hasExternalWeakLinkage() ||
+ Dest->hasAvailableExternallyLinkage() ||
+ (Dest->hasLinkOnceLinkage() &&
+ (Src->hasWeakLinkage() || Src->hasCommonLinkage()))) {
LinkFromSrc = true;
LT = Src->getLinkage();
} else {