Don't use internal symbolizer if we are in process of reporting Out-of-Memory.

Reviewed by eugenis offline, as reviews.llvm.org is down.

llvm-svn: 282805
diff --git a/compiler-rt/lib/scudo/scudo_allocator.cpp b/compiler-rt/lib/scudo/scudo_allocator.cpp
index 0ae21c3..7dd400e 100644
--- a/compiler-rt/lib/scudo/scudo_allocator.cpp
+++ b/compiler-rt/lib/scudo/scudo_allocator.cpp
@@ -328,20 +328,20 @@
       dieWithMessage("ERROR: malloc alignment is not a power of 2\n");
     }
     if (Alignment > MaxAlignment)
-      return BackendAllocator.ReturnNullOrDie();
+      return BackendAllocator.ReturnNullOrDieOnBadRequest();
     if (Alignment < MinAlignment)
       Alignment = MinAlignment;
     if (Size == 0)
       Size = 1;
     if (Size >= MaxAllowedMallocSize)
-      return BackendAllocator.ReturnNullOrDie();
+      return BackendAllocator.ReturnNullOrDieOnBadRequest();
     uptr RoundedSize = RoundUpTo(Size, MinAlignment);
     uptr ExtraBytes = ChunkHeaderSize;
     if (Alignment > MinAlignment)
       ExtraBytes += Alignment;
     uptr NeededSize = RoundedSize + ExtraBytes;
     if (NeededSize >= MaxAllowedMallocSize)
-      return BackendAllocator.ReturnNullOrDie();
+      return BackendAllocator.ReturnNullOrDieOnBadRequest();
 
     void *Ptr;
     if (LIKELY(!ThreadTornDown)) {
@@ -352,7 +352,7 @@
                                       MinAlignment);
     }
     if (!Ptr)
-      return BackendAllocator.ReturnNullOrDie();
+      return BackendAllocator.ReturnNullOrDieOnOOM();
 
     // If requested, we will zero out the entire contents of the returned chunk.
     if (ZeroContents && BackendAllocator.FromPrimary(Ptr))
@@ -514,7 +514,7 @@
       initThread();
     uptr Total = NMemB * Size;
     if (Size != 0 && Total / Size != NMemB) // Overflow check
-      return BackendAllocator.ReturnNullOrDie();
+      return BackendAllocator.ReturnNullOrDieOnBadRequest();
     void *Ptr = allocate(Total, MinAlignment, FromMalloc);
     // If ZeroContents, the content of the chunk has already been zero'd out.
     if (!ZeroContents && Ptr && BackendAllocator.FromPrimary(Ptr))