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re PR other/28322 (GCC new warnings and compatibility)

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2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 28322
	* opts.c (handle_option): Postpone 'unknown option' errors only for
	warning options.
testsuite/
	* gcc.dg/pr28322-3.c: New.

From-SVN: r132870
This commit is contained in:
Manuel López-Ibáñez 2008-03-04 20:28:52 +00:00
parent b52209728c
commit ee8ea08735
4 changed files with 22 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR 28322
* opts.c (handle_option): Postpone 'unknown option' errors only for
warning options.
2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
PR target/35453

2
gcc/opts.c
View file

@ -505,7 +505,7 @@ handle_option (const char **argv, unsigned int lang_mask)
opt = dup;
value = 0;
opt_index = find_opt (opt + 1, lang_mask | CL_COMMON | CL_TARGET);
if (opt_index == cl_options_count)
if (opt_index == cl_options_count && opt[1] == 'W')
{
/* We don't generate errors for unknown -Wno-* options
unless we issue diagnostics. */

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR 28322
* gcc.dg/pr28322-3.c: New.
2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
PR target/35453

10
gcc/testsuite/gcc.dg/pr28322-3.c Normal file
View file

@ -0,0 +1,10 @@
/* PR28322: ignore unknown -Wno-* if no warning is emitted. */
/* { dg-do compile } */
/* { dg-options " -fno-foobar -mno-foobar" } */
void foo(void)
{
int i = 1;
}
/* { dg-message "unrecognized command line option .-fno-foobar." "" { target *-*-* } 0 } */
/* { dg-message "unrecognized command line option .-mno-foobar." "" { target *-*-* } 0 } */