[Patch, testsuite] Add missing -gdwarf-2 flag in debug/dwarf2 testcase

[Senthil Kumar Selvaraj]

Hi,

global-used-types.c in gcc/testsuite/gcc.dg/debug/dwarf2 only specifies
-g in dg-options. For a target that is not configured to generate
dwarf-2 by default, the test fails looking for specific DWARF strings in
the generated assembly.

The patch below changes dg-options to -gdwarf-2. Can someone
apply if it is ok?

Regards
Senthil


2013-03-27  Senthil Kumar Selvaraj  <senthil_kumar.selva...@atmel.com>

    * gcc.dg/debug/dwarf2/global-used-types.c: Specify -gdwarf-2 in
    dg-options


diff --git gcc/testsuite/gcc.dg/debug/dwarf2/global-used-types.c 
gcc/testsuite/gcc.dg/debug/dwarf2/global-used-types.c
index 54fa58a..03c6ede 100644
--- gcc/testsuite/gcc.dg/debug/dwarf2/global-used-types.c
+++ gcc/testsuite/gcc.dg/debug/dwarf2/global-used-types.c
@@ -1,6 +1,6 @@
 /*
  Contributed by Dodji Seketeli <do...@redhat.com>
- { dg-options "-g -dA -fno-merge-debug-strings" }
+ { dg-options "-gdwarf-2 -dA -fno-merge-debug-strings" }
  { dg-do compile }
  { dg-final { scan-assembler-times "DIE \\(0x\[^\n\]*\\) 
DW_TAG_enumeration_type" 1 } }
  { dg-final { scan-assembler-times "DIE \\(0x\[^\n\]*\\) DW_TAG_enumerator" 2 
} }