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-rw-r--r--gcc/go/go-lang.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/go/go-lang.c b/gcc/go/go-lang.c
index 37d61d1..14080f0 100644
--- a/gcc/go/go-lang.c
+++ b/gcc/go/go-lang.c
@@ -268,6 +268,12 @@ go_langhook_post_options (const char **pfilename ATTRIBUTE_UNUSED)
if (flag_excess_precision_cmdline == EXCESS_PRECISION_DEFAULT)
flag_excess_precision_cmdline = EXCESS_PRECISION_STANDARD;
+ /* The isolate_erroneous_paths optimization can change a nil
+ dereference from a panic to a trap, so we have to disable it for
+ Go, even though it is normally enabled by -O2. */
+ if (!global_options_set.x_flag_isolate_erroneous_paths)
+ global_options.x_flag_isolate_erroneous_paths = 0;
+
/* Returning false means that the backend should be used. */
return false;
}