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authorAlexandre Oliva <aoliva@redhat.com>2012-10-30 23:47:35 +0000
committerAlexandre Oliva <aoliva@gcc.gnu.org>2012-10-30 23:47:35 +0000
commitf39b1a1aeb13c3a64cd6e82dcc6cd1370507c6ab (patch)
tree2cf3bf61ec807a72cafd507a6f1f6f49285fc57e /gcc/valtrack.c
parent3e55d79be9ae74905c89ef4f948b26ba9e1c604c (diff)
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re PR debug/54551 (DF resets some DEBUG_INSNs unnecessarily)
PR debug/54551 PR debug/54693 * valtrack.c (dead_debug_promote_uses): Assert-check that global used bit was clear and initialize entry unconditionally. From-SVN: r193003
Diffstat (limited to 'gcc/valtrack.c')
-rw-r--r--gcc/valtrack.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/valtrack.c b/gcc/valtrack.c
index c1de41c..5eefabd 100644
--- a/gcc/valtrack.c
+++ b/gcc/valtrack.c
@@ -380,9 +380,11 @@ dead_debug_promote_uses (struct dead_debug_local *debug)
if (!debug->global->used)
debug->global->used = BITMAP_ALLOC (NULL);
- if (bitmap_set_bit (debug->global->used, REGNO (reg)))
- entry = dead_debug_global_insert (debug->global, reg,
- make_debug_expr_from_rtl (reg));
+ bool added = bitmap_set_bit (debug->global->used, REGNO (reg));
+ gcc_checking_assert (added);
+
+ entry = dead_debug_global_insert (debug->global, reg,
+ make_debug_expr_from_rtl (reg));
gcc_checking_assert (entry->dtemp);