Revert commit 333506

It looks like this commit is responsible for the fail:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-autoconf/builds/24382.

llvm-svn: 333518

1 files changed, 5 insertions, 2 deletions

diff --git a/llvm/lib/Support/FoldingSet.cpp b/llvm/lib/Support/FoldingSet.cpp
index ec7d57586e8..94237954903 100644
--- a/llvm/lib/Support/FoldingSet.cpp
+++ b/llvm/lib/Support/FoldingSet.cpp
@@ -214,8 +214,11 @@ static void **GetBucketFor(unsigned Hash, void **Buckets, unsigned NumBuckets) {
 
 /// AllocateBuckets - Allocated initialized bucket memory.
 static void **AllocateBuckets(unsigned NumBuckets) {
-  void **Buckets = static_cast<void**>(safe_calloc(NumBuckets + 1,
-                                                   sizeof(void*)));
+  void **Buckets = static_cast<void**>(calloc(NumBuckets+1, sizeof(void*)));
+
+  if (Buckets == nullptr)
+    report_bad_alloc_error("Allocation of Buckets failed.");
+  
   // Set the very last bucket to be a non-null "pointer".
   Buckets[NumBuckets] = reinterpret_cast<void*>(-1);
   return Buckets;