[PATCH] driver: enable -use-dwarf-debug-flags

[Saleem Abdulrasool]

Hi echristo,

This changes the default to embed the -cc1 flags into the emitted object files.

http://llvm-reviews.chandlerc.com/D3166

Files:
  include/clang/Driver/ToolChain.h

Index: include/clang/Driver/ToolChain.h
===================================================================
--- include/clang/Driver/ToolChain.h
+++ include/clang/Driver/ToolChain.h
@@ -238,7 +238,7 @@
 
   /// UseDwarfDebugFlags - Embed the compile options to clang into the Dwarf
   /// compile unit information.
-  virtual bool UseDwarfDebugFlags() const { return false; }
+  virtual bool UseDwarfDebugFlags() const { return true; }
 
   /// UseSjLjExceptions - Does this tool chain use SjLj exceptions.
   virtual bool UseSjLjExceptions() const { return false; }

Index: include/clang/Driver/ToolChain.h
===================================================================
--- include/clang/Driver/ToolChain.h
+++ include/clang/Driver/ToolChain.h
@@ -238,7 +238,7 @@
 
   /// UseDwarfDebugFlags - Embed the compile options to clang into the Dwarf
   /// compile unit information.
-  virtual bool UseDwarfDebugFlags() const { return false; }
+  virtual bool UseDwarfDebugFlags() const { return true; }
 
   /// UseSjLjExceptions - Does this tool chain use SjLj exceptions.
   virtual bool UseSjLjExceptions() const { return false; }

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