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re PR rtl-optimization/50833 (ICE: in maybe_record_trace_start, at dwarf2cfi.c:2243 with -fshrink-wrap)

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PR rtl-optimization/50833
	* function.c (thread_prologue_and_epilogue_insns): Expect the
	return insn optimization only if optimize.

From-SVN: r180377
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Bernd Schmidt 2011-10-24 11:46:04 +00:00 • committed by Bernd Schmidt
parent 9f02e6a5b5
commit eec8a31a73
2 changed files with 5 additions and 1 deletions
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4
gcc/ChangeLog
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@ -3,6 +3,10 @@
PR bootstrap/50836
* rtlanal.c: Swap includes of "hard-reg-set.h" and "rtl.h".
PR rtl-optimization/50833
* function.c (thread_prologue_and_epilogue_insns): Expect the
return insn optimization only if optimize.
2011-10-24 Georg-Johann Lay <avr@gjlay.de>
* config/avr/avr.c: Break long lines.

2
gcc/function.c
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@ -5791,7 +5791,7 @@ thread_prologue_and_epilogue_insns (void)
to convert jumps to it to (potentially conditional) return
insns later. This means we don't necessarily need a prologue
for paths reaching it. */
if (last_bb)
if (last_bb && optimize)
{
if (!last_bb_active)
bitmap_clear_bit (&bb_flags, last_bb->index);