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re PR debug/41695 (Invalid .debug_loc created) 

PR debug/41695
	* dwarf2out.c (dwarf2out_var_location): Always clear
	last_postcall_label when changing last_label.

	* gcc.dg/debug/dwarf2/pr41695.c: New test.

From-SVN: r152760
This commit is contained in:
Jakub Jelinek 2009-10-14 11:53:55 +02:00
parent 1b5bc8e9f2
commit b29ee46cf2
4 changed files with 31 additions and 3 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2009-10-14 Jakub Jelinek <jakub@redhat.com>
PR debug/41695
* dwarf2out.c (dwarf2out_var_location): Always clear
last_postcall_label when changing last_label.
2009-10-14 Pascal Obry <obry@adacore.com> 2009-10-14 Pascal Obry <obry@adacore.com>
* gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Add -E. * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Add -E.

3
gcc/dwarf2out.c
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@ -20013,8 +20013,7 @@ dwarf2out_var_location (rtx loc_note)
ASM_OUTPUT_DEBUG_LABEL (asm_out_file, "LVL", loclabel_num); ASM_OUTPUT_DEBUG_LABEL (asm_out_file, "LVL", loclabel_num);
loclabel_num++; loclabel_num++;
last_label = ggc_strdup (loclabel); last_label = ggc_strdup (loclabel);
if (!NOTE_DURING_CALL_P (loc_note)) last_postcall_label = NULL;
last_postcall_label = NULL;
} }
newloc->var_loc_note = loc_note; newloc->var_loc_note = loc_note;
newloc->next = NULL; newloc->next = NULL;

7
gcc/testsuite/ChangeLog
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@ -1,8 +1,13 @@
2009-10-14 Jakub Jelinek <jakub@redhat.com>
PR debug/41695
* gcc.dg/debug/dwarf2/pr41695.c: New test.
2009-10-14 Uros Bizjak <ubizjak@gmail.com> 2009-10-14 Uros Bizjak <ubizjak@gmail.com>
* gcc.target/i386/i386.exp (check_effective_target_ms_hook_prologue): * gcc.target/i386/i386.exp (check_effective_target_ms_hook_prologue):
New procedure. New procedure.
* gcc.target/i386/ms_hook_prologue.c: Check for ms_hook_prologue * gcc.target/i386/ms_hook_prologue.c: Check for ms_hook_prologue
effective target. effective target.
2009-10-14 Jason Merrill <jason@redhat.com> 2009-10-14 Jason Merrill <jason@redhat.com>

18
gcc/testsuite/gcc.dg/debug/dwarf2/pr41695.c Normal file
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@ -0,0 +1,18 @@
/* PR debug/41695 */
/* { dg-do compile } */
/* { dg-options "-g -O2 -dA -fno-merge-debug-strings" } */
int bar (int);
void
foo (void)
{
int b = 0;
b = bar (b);
b = bar (b);
b = bar (b);
b = bar (b);
bar (b);
}
/* { dg-final { scan-assembler-not "LVL(\[0-9\]+)-\[^1\]\[^\\r\\n\]*Location list begin address\[^\\r\\n\]*\[\\r\\n\]+\[^\\r\\n\]*LVL\\1-1-" } } */