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| author | Jakub Jelinek <jakub@redhat.com> | 2019-02-08 11:26:33 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-02-08 11:26:33 +0100 |
| commit | 89cfdb7e5ba6f5e00e13473790ef787189c59c01 (patch) | |
| tree | 2931d159ae46c428e63ba2e351baa7b8eb5db846 /gcc/except.c | |
| parent | 4af50e13a035804b80551e4649cc2b055588ffc8 (diff) | |
| download | gcc-89cfdb7e5ba6f5e00e13473790ef787189c59c01.zip gcc-89cfdb7e5ba6f5e00e13473790ef787189c59c01.tar.gz gcc-89cfdb7e5ba6f5e00e13473790ef787189c59c01.tar.bz2 | |
re PR rtl-optimization/89234 (ICE in get_eh_region_and_lp_from_rtx at gcc/except.c:1824)
PR rtl-optimization/89234
* except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
(copy_reg_eh_region_note_backward): Likewise.
* g++.dg/ubsan/pr89234.C: New test.
From-SVN: r268669
Diffstat (limited to 'gcc/except.c')
| -rw-r--r-- | gcc/except.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/except.c b/gcc/except.c index 10fef2f..29437f3 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -1756,6 +1756,8 @@ copy_reg_eh_region_note_forward (rtx note_or_insn, rtx_insn *first, rtx last) if (note == NULL) return; } + else if (is_a <rtx_insn *> (note_or_insn)) + return; note = XEXP (note, 0); for (insn = first; insn != last ; insn = NEXT_INSN (insn)) @@ -1778,6 +1780,8 @@ copy_reg_eh_region_note_backward (rtx note_or_insn, rtx_insn *last, rtx first) if (note == NULL) return; } + else if (is_a <rtx_insn *> (note_or_insn)) + return; note = XEXP (note, 0); for (insn = last; insn != first; insn = PREV_INSN (insn)) |