Less conservative verison of previous patch,
suggested by Duncan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51211 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/PruneEH.cpp b/lib/Transforms/IPO/PruneEH.cpp
index d2f3a84..d4194a1 100644
--- a/lib/Transforms/IPO/PruneEH.cpp
+++ b/lib/Transforms/IPO/PruneEH.cpp
@@ -73,10 +73,10 @@
for (unsigned i = 0, e = SCC.size();
(!SCCMightUnwind || !SCCMightReturn) && i != e; ++i) {
Function *F = SCC[i]->getFunction();
- if (F == 0 || (F->hasWeakLinkage() && !F->doesNotThrow())) {
+ if (F == 0) {
SCCMightUnwind = true;
SCCMightReturn = true;
- } else if (F->isDeclaration()) {
+ } else if (F->isDeclaration() || F->hasWeakLinkage()) {
SCCMightUnwind |= !F->doesNotThrow();
SCCMightReturn |= !F->doesNotReturn();
} else {