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go-lang.c (go_langhook_post_options): If -fisolate-erroneous-paths was turned on by an optimization option, turn it off.

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* go-lang.c (go_langhook_post_options): If
	-fisolate-erroneous-paths was turned on by an optimization option,
	turn it off.

From-SVN: r204459
This commit is contained in:
Ian Lance Taylor 2013-11-06 15:14:28 +00:00 • committed by Ian Lance Taylor
parent 9f2b860bed
commit 1d2217b6ab
2 changed files with 12 additions and 0 deletions
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6
gcc/go/ChangeLog
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@ -1,3 +1,9 @@
2013-11-06 Ian Lance Taylor <iant@google.com>
* go-lang.c (go_langhook_post_options): If
-fisolate-erroneous-paths was turned on by an optimization option,
turn it off.
2013-10-14 Chris Manghane <cmang@google.com>
* go-gcc.cc (Gcc_backend::address_expression): New function.

6
gcc/go/go-lang.c
View file

@ -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;
}