PR c++/57897

       * config/i386/i386.c (ix86_option_override_internal): Set for
       x64 target flag_unwind_tables, if flag_asynchronous_unwind_tables
       was explicit set.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205957 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 545eb76..68261c6 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2013-12-13  Kai Tietz  <kitetz@redhat.com>
+
+       PR c++/57897
+       * config/i386/i386.c (ix86_option_override_internal): Set for
+       x64 target flag_unwind_tables, if flag_asynchronous_unwind_tables
+       was explicit set.
+
 2013-12-12  Jeff Law  <law@redhat.com>
 
        * i386.md (simple LEA peephole2): Add missing mode to zero_extend

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 8f79209..b37025b 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -3698,6 +3698,10 @@ ix86_option_override_internal (bool main_args_p,
     {
       if (opts->x_optimize >= 1 && !opts_set->x_flag_omit_frame_pointer)
        opts->x_flag_omit_frame_pointer = !USE_X86_64_FRAME_POINTER;
+      if (opts->x_flag_asynchronous_unwind_tables
+         && !opts_set->x_flag_unwind_tables
+         && TARGET_64BIT_MS_ABI)
+       opts->x_flag_unwind_tables = 1;
       if (opts->x_flag_asynchronous_unwind_tables == 2)
        opts->x_flag_unwind_tables
          = opts->x_flag_asynchronous_unwind_tables = 1;