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re PR target/81861 (ASan pr64820.c testcase segfaults with LTO and -fstack-protector-strong)

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2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR target/81861
	* config/i386/i386.c (ix86_option_override_internal): Save target
	specific options after ix86_stack_protector_guard_reg was changed.

From-SVN: r251145
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Maxim Ostapenko 2017-08-17 11:58:13 +00:00 committed by Maxim Ostapenko
parent ab4b719a48
commit b8d8d3ff49
2 changed files with 12 additions and 6 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-08-17 Maxim Ostapenko <m.ostapenko@samsung.com>
PR target/81861
* config/i386/i386.c (ix86_option_override_internal): Save target
specific options after ix86_stack_protector_guard_reg was changed.
2017-08-17 Richard Biener <rguenther@suse.de>
PR tree-optimization/81827

12
gcc/config/i386/i386.c
View File

@ -6651,12 +6651,6 @@ ix86_option_override_internal (bool main_args_p,
gcc_assert ((opts->x_target_flags & MASK_LONG_DOUBLE_64) == 0
|| (opts->x_target_flags & MASK_LONG_DOUBLE_128) == 0);
/* Save the initial options in case the user does function specific
options. */
if (main_args_p)
target_option_default_node = target_option_current_node
= build_target_option_node (opts);
/* Handle stack protector */
if (!opts_set->x_ix86_stack_protector_guard)
opts->x_ix86_stack_protector_guard
@ -6740,6 +6734,12 @@ ix86_option_override_internal (bool main_args_p,
free (str);
}
/* Save the initial options in case the user does function specific
options. */
if (main_args_p)
target_option_default_node = target_option_current_node
= build_target_option_node (opts);
return true;
}