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re PR debug/52027 (ICE: SIGSEGV in set_cur_line_info_table (dwarf2out.c:20428) with -O -freorder-blocks-and-partition -fno-reorder-functions -fprofile-use) 

PR debug/52027
	* dwarf2out.c (dwarf2out_switch_text_section): Don't call
	set_cur_line_info_table if not emitting debug info.

	* gcc.dg/tree-prof/pr52027.c: New test.

From-SVN: r183725
This commit is contained in:
Jakub Jelinek 2012-01-30 14:49:44 +01:00 committed by Jakub Jelinek
parent 2f32669918
commit 2026d51a41
4 changed files with 28 additions and 1 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
2012-01-30 Jakub Jelinek <jakub@redhat.com> 2012-01-30 Jakub Jelinek <jakub@redhat.com>
PR debug/52027
* dwarf2out.c (dwarf2out_switch_text_section): Don't call
set_cur_line_info_table if not emitting debug info.
PR tree-optimization/52046 PR tree-optimization/52046
* tree-vect-patterns.c (check_bool_pattern): Give up if * tree-vect-patterns.c (check_bool_pattern): Give up if
a comparison could throw. a comparison could throw.

3
gcc/dwarf2out.c
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@ -1177,7 +1177,8 @@ dwarf2out_switch_text_section (void)
var_location_switch_text_section (); var_location_switch_text_section ();
set_cur_line_info_table (sect); if (cold_text_section != NULL)
set_cur_line_info_table (sect);
} }
/* And now, the subset of the debugging information support code necessary /* And now, the subset of the debugging information support code necessary

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2012-01-30 Jakub Jelinek <jakub@redhat.com> 2012-01-30 Jakub Jelinek <jakub@redhat.com>
PR debug/52027
* gcc.dg/tree-prof/pr52027.c: New test.
PR tree-optimization/52046 PR tree-optimization/52046
* gcc.dg/pr52046.c: New test. * gcc.dg/pr52046.c: New test.

19
gcc/testsuite/gcc.dg/tree-prof/pr52027.c Normal file
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@ -0,0 +1,19 @@
/* PR debug/52027 */
/* { dg-require-effective-target freorder } */
/* { dg-options "-O -freorder-blocks-and-partition -fno-reorder-functions" } */
void
foo (int len)
{
char array[1000];
__builtin_memset (array, 0, len);
}
int
main ()
{
int i;
for (i = 0; i < 1000; i++)
foo (8);
return 0;
}