This patch enables the new -fkeep-gc-roots-live option for Go. This
fixes https://golang.org/issue/13662 . Bootstrapped and ran Go
testsuite on x86_64-pc-linux-gnu. Committed to mainline.
Ian
2016-01-27 Ian Lance Taylor <i...@google.com>
* go-lang.c (go_langhook_init_options_struct): Default to
-fkeep-gc-roots-live.
Index: gcc/go/go-lang.c
===================================================================
--- gcc/go/go-lang.c (revision 232888)
+++ gcc/go/go-lang.c (working copy)
@@ -150,6 +150,9 @@
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
