Add -dwarf-debug-flags, which provides a way to embed the cc1 level options used

to compile a translation unit into the debug info for that file.
 - Used by parts of Darwin build process to check compiler flags, etc.
 - <rdar://problem/7256886> clang does not emit AT_APPLE_flags

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91661 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
index fcd96f1e5c..be36344f0c 100644
--- a/lib/Driver/ToolChains.h
+++ b/lib/Driver/ToolChains.h
@@ -154,6 +154,8 @@ public:
   virtual const char *GetDefaultRelocationModel() const;
   virtual const char *GetForcedPicModel() const;
 
+  virtual bool UseDwarfDebugFlags() const;
+
   /// }
 };