Change "Regions" to be "LexicalBlocks" since that's what they
correspond to.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140740 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index 1cdb660..ec876a4 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -192,7 +192,7 @@
   CGDebugInfo *DI = getDebugInfo();
   if (DI) {
     DI->setLocation(S.getLBracLoc());
-    DI->EmitRegionStart(Builder);
+    DI->EmitLexicalBlockStart(Builder);
   }
 
   // Keep track of the current cleanup stack depth.
@@ -204,7 +204,7 @@
 
   if (DI) {
     DI->setLocation(S.getRBracLoc());
-    DI->EmitRegionEnd(Builder);
+    DI->EmitLexicalBlockEnd(Builder);
   }
 
   RValue RV;
@@ -572,7 +572,7 @@
   CGDebugInfo *DI = getDebugInfo();
   if (DI) {
     DI->setLocation(S.getSourceRange().getBegin());
-    DI->EmitRegionStart(Builder);
+    DI->EmitLexicalBlockStart(Builder);
   }
 
   // Evaluate the first part before the loop.
@@ -654,7 +654,7 @@
 
   if (DI) {
     DI->setLocation(S.getSourceRange().getEnd());
-    DI->EmitRegionEnd(Builder);
+    DI->EmitLexicalBlockEnd(Builder);
   }
 
   // Emit the fall-through block.
@@ -669,7 +669,7 @@
   CGDebugInfo *DI = getDebugInfo();
   if (DI) {
     DI->setLocation(S.getSourceRange().getBegin());
-    DI->EmitRegionStart(Builder);
+    DI->EmitLexicalBlockStart(Builder);
   }
 
   // Evaluate the first pieces before the loop.
@@ -728,7 +728,7 @@
 
   if (DI) {
     DI->setLocation(S.getSourceRange().getEnd());
-    DI->EmitRegionEnd(Builder);
+    DI->EmitLexicalBlockEnd(Builder);
   }
 
   // Emit the fall-through block.