fix PR5186: the JIT shouldn't try to codegen available_externally
functions it should just look them up like declarations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85077 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/JIT/JIT.cpp b/lib/ExecutionEngine/JIT/JIT.cpp
index b2a268b..cb82590 100644
--- a/lib/ExecutionEngine/JIT/JIT.cpp
+++ b/lib/ExecutionEngine/JIT/JIT.cpp
@@ -659,7 +659,7 @@
       return Addr;
   }
 
-  if (F->isDeclaration()) {
+  if (F->isDeclaration() || F->hasAvailableExternallyLinkage()) {
     bool AbortOnFailure =
       !areDlsymStubsEnabled() && !F->hasExternalWeakLinkage();
     void *Addr = getPointerToNamedFunction(F->getName(), AbortOnFailure);