Make this work with GLIBCXX_DEBUG.
llvm-svn: 38516
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
index d0dcc70..431bc4e 100644
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -429,8 +429,15 @@
return true;
else if (p.second->getNumber() > q.second->getNumber())
return false;
- else
+ 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
assert(0 && "Predecessor appears twice");
+#endif
+ }
}
// See if any of the blocks in MergePotentials (which all have a common single