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| author | Steven Bosscher <steven@gcc.gnu.org> | 2013-04-04 16:40:16 +0000 |
|---|---|---|
| committer | Steven Bosscher <steven@gcc.gnu.org> | 2013-04-04 16:40:16 +0000 |
| commit | 3cfbe04dfdfe2b5137cbfa7de6362258d79ee534 (patch) | |
| tree | e08451dcdd44dc114da8006d10d8c6ed3a20b987 /gcc/df-scan.c | |
| parent | 398f9f35d480081ddbd979e431560b2f93b333f3 (diff) | |
| download | gcc-3cfbe04dfdfe2b5137cbfa7de6362258d79ee534.zip gcc-3cfbe04dfdfe2b5137cbfa7de6362258d79ee534.tar.gz gcc-3cfbe04dfdfe2b5137cbfa7de6362258d79ee534.tar.bz2 | |
re PR middle-end/56729 (ICE in df_insn_delete)
PR middle-end/56729
* df-scan.c (df_insn_delete): Disable failing assert.
From-SVN: r197492
Diffstat (limited to 'gcc/df-scan.c')
| -rw-r--r-- | gcc/df-scan.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/gcc/df-scan.c b/gcc/df-scan.c index fdfa931..e8ee189 100644 --- a/gcc/df-scan.c +++ b/gcc/df-scan.c @@ -1158,8 +1158,17 @@ df_insn_delete (rtx insn) In any case, we expect BB to be non-NULL at least up to register allocation, so disallow a non-NULL BB up to there. Not perfect but better than nothing... */ - + /* ??? bb can also be NULL if lower-subreg.c:resolve_simple_mov emits + an insn into a sequence and then does delete_insn on it. Not sure + if that makes sense, but for now it means this assert cannot work. + See PR56738. + Disable for now but revisit before the end of GCC 4.9 stage1. */ +#if 0 gcc_checking_assert (bb != NULL || reload_completed); +#else + if (bb == NULL) + return; +#endif df_grow_bb_info (df_scan); df_grow_reg_info (); |