commit 4d96d9f0e758fb9244749f99d4b0a3ab1e3e0592
author Ted Kremenek <kremenek@apple.com> Sat Mar 19 01:00:36 2011 +0000
committer Ted Kremenek <kremenek@apple.com> Sat Mar 19 01:00:36 2011 +0000
tree 13581675f260e4f7311176b252c0470ff40a29b5
parent af13d5b25b360e698cc1cf1055ad7d14e008e505

Recover memory from RecordLayoutBuilders during crashes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127931 91177308-0d34-0410-b5e6-96231b3b80d8

lib/AST/RecordLayoutBuilder.cpp

diff --git a/lib/AST/RecordLayoutBuilder.cpp b/lib/AST/RecordLayoutBuilder.cpp
index 016b405..a8ba8e2 100644
--- a/lib/AST/RecordLayoutBuilder.cpp
+++ b/lib/AST/RecordLayoutBuilder.cpp
@@ -19,7 +19,7 @@
 #include "llvm/Support/Format.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/Support/MathExtras.h"
-#include <map>
+#include "llvm/Support/CrashRecoveryContext.h"
 
 using namespace clang;
 
@@ -1708,6 +1708,11 @@
     case CXXABI_Microsoft:
       Builder.reset(new MSRecordLayoutBuilder(*this, &EmptySubobjects));
     }
+    // Recover resources if we crash before exiting this method.
+    llvm::CrashRecoveryContextCleanupRegistrar
+      RecordBuilderCleanup(llvm::CrashRecoveryContextCleanup::
+                        create<RecordLayoutBuilder>(Builder.get()));
+    
     Builder->Layout(RD);
 
     // FIXME: This is not always correct. See the part about bitfields at