If assertions are not enabled, we should return False here.
llvm-svn: 38535
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
index 431bc4e..0fca985 100644
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -430,13 +430,12 @@
else if (p.second->getNumber() > q.second->getNumber())
return false;
else {
- // _GLIBCXX_DEBUG needs to check strict weak ordering and it
- // does it by doing a compare on the same object.
-#ifdef _GLIBCXX_DEBUG
- return(false);
-#else
+ // _GLIBCXX_DEBUG checks strict weak ordering, which involves comparing
+ // an object with itself.
+#ifndef _GLIBCXX_DEBUG
assert(0 && "Predecessor appears twice");
#endif
+ return(false);
}
}