Reverting r107918 and r107919. Radar 8063111.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107930 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 8 deletions

diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index ca6c2e6d72..c8d0d22ec2 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -1107,19 +1107,14 @@ DIVariable DIFactory::CreateComplexVariable(unsigned Tag, DIDescriptor Context,
 /// CreateBlock - This creates a descriptor for a lexical block with the
 /// specified parent VMContext.
 DILexicalBlock DIFactory::CreateLexicalBlock(DIDescriptor Context,
-                                             DIFile F, unsigned LineNo,
-                                             unsigned Col) {
-  // Defeat MDNode uniqing for lexical blocks.
-  static unsigned int unique_id = 0;
+                                             unsigned LineNo, unsigned Col) {
   Value *Elts[] = {
     GetTagConstant(dwarf::DW_TAG_lexical_block),
     Context,
     ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
-    ConstantInt::get(Type::getInt32Ty(VMContext), Col),
-    F,
-    ConstantInt::get(Type::getInt32Ty(VMContext), unique_id++)
+    ConstantInt::get(Type::getInt32Ty(VMContext), Col)
   };
-  return DILexicalBlock(MDNode::get(VMContext, &Elts[0], 6));
+  return DILexicalBlock(MDNode::get(VMContext, &Elts[0], 4));
 }
 
 /// CreateNameSpace - This creates new descriptor for a namespace