* go-lang.c (go_langhook_init_options_struct): Default to

-fkeep-gc-roots-live. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232890 138bc75d-0d04-0410-961f-82ee72b054a4
caishuangmin · Jan 27, 2016 · d7993d8 · d7993d8
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diff --git a/gcc/go/ChangeLog b/gcc/go/ChangeLog
@@ -1,3 +1,8 @@
+2016-01-27  Ian Lance Taylor  <iant@google.com>
+
+	* go-lang.c (go_langhook_init_options_struct): Default to
+	-fkeep-gc-roots-live.
+
 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 
 	Update copyright years.

diff --git a/gcc/go/go-lang.c b/gcc/go/go-lang.c
@@ -150,6 +150,9 @@ go_langhook_init_options_struct (struct gcc_options *opts)
   opts->x_flag_exceptions = 1;
   opts->x_flag_non_call_exceptions = 1;
 
+  /* We need to keep pointers live for the garbage collector.  */
+  opts->x_flag_keep_gc_roots_live = 1;
+
   /* Go programs expect runtime.Callers to work, and that uses
      libbacktrace that uses debug info.  Set the debug info level to 1
      by default.  In post_options we will set the debug type if the