Add clang patch corresponding to r291701.

1 files changed, 21 insertions, 0 deletions

diff --git a/contrib/llvm/patches/patch-10-clang-cc1as-dwarf2.diff b/contrib/llvm/patches/patch-10-clang-cc1as-dwarf2.diff
new file mode 100644
index 0000000..eb00168
--- /dev/null
+++ b/contrib/llvm/patches/patch-10-clang-cc1as-dwarf2.diff
@@ -0,0 +1,21 @@
+In assembler mode, clang defaulted to DWARF3, if only -g was specified.
+Change this to DWARF2, in the simplest way possible.  (Upstream, this
+was fixed in clang trunk r250173, but this was done along with a lot of
+shuffling around of debug option handling, so it cannot be applied
+as-is.)
+
+Introduced here: https://svnweb.freebsd.org/changeset/base/291701
+
+Index: tools/clang/tools/driver/cc1as_main.cpp
+===================================================================
+--- tools/clang/tools/driver/cc1as_main.cpp
++++ tools/clang/tools/driver/cc1as_main.cpp
+@@ -141,7 +141,7 @@ struct AssemblerInvocation {
+     RelaxAll = 0;
+     NoExecStack = 0;
+     FatalWarnings = 0;
+-    DwarfVersion = 3;
++    DwarfVersion = 2;
+   }
+ 
+   static bool CreateFromArgs(AssemblerInvocation &Res,