commit 20387efff0870da2c8b30bb62ae661239a903021
author Manuel Klimek <klimek@google.com> Fri Jun 07 11:27:53 2013 +0000
committer Manuel Klimek <klimek@google.com> Fri Jun 07 11:27:53 2013 +0000
tree 81c9054c1b067fbb9941dfc01298b6f51337fd88
parent 0d33f456ff36403d4a256d29739aa0bf10ce1aa8

Reverts r183466: "Perform dynamic alignment computations..."

This introduces bugs in TemplateSpecializationTypeLoc's angle bracket
locations.

Regression test follows in a subsequent commit.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183513 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Sema/SemaTemplateVariadic.cpp

diff --git a/lib/Sema/SemaTemplateVariadic.cpp b/lib/Sema/SemaTemplateVariadic.cpp
index cb6f4c1..3b82280 100644
--- a/lib/Sema/SemaTemplateVariadic.cpp
+++ b/lib/Sema/SemaTemplateVariadic.cpp
@@ -18,7 +18,6 @@
 #include "clang/Sema/ScopeInfo.h"
 #include "clang/Sema/SemaInternal.h"
 #include "clang/Sema/Template.h"
-#include "TypeLocBuilder.h"
 
 using namespace clang;
 
@@ -464,13 +463,17 @@
                                        EllipsisLoc, NumExpansions);
   if (Result.isNull())
     return 0;
-
-  TypeLocBuilder TLB;
-  TLB.pushFullCopy(Pattern->getTypeLoc());
-  PackExpansionTypeLoc TL = TLB.push<PackExpansionTypeLoc>(Result);
+  
+  TypeSourceInfo *TSResult = Context.CreateTypeSourceInfo(Result);
+  PackExpansionTypeLoc TL =
+      TSResult->getTypeLoc().castAs<PackExpansionTypeLoc>();
   TL.setEllipsisLoc(EllipsisLoc);
-
-  return TLB.getTypeSourceInfo(Context, Result);
+  
+  // Copy over the source-location information from the type.
+  memcpy(TL.getNextTypeLoc().getOpaqueData(),
+         Pattern->getTypeLoc().getOpaqueData(),
+         Pattern->getTypeLoc().getFullDataSize());
+  return TSResult;
 }
 
 QualType Sema::CheckPackExpansion(QualType Pattern, SourceRange PatternRange,