OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR rtl-optimization/89234 (ICE in get_eh_region_and_lp_from_rtx at gcc/except.c:1824)

Browse Source 
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
This commit is contained in:
Jakub Jelinek 2019-02-08 11:26:33 +01:00 committed by Jakub Jelinek
parent 4af50e13a0
commit 89cfdb7e5b
4 changed files with 27 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2019-02-08 Jakub Jelinek <jakub@redhat.com>
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.
2019-02-08 Richard Biener <rguenther@suse.de>
PR middle-end/89223

4
gcc/except.c
View File

@ -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))

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2019-02-08 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/89234
* g++.dg/ubsan/pr89234.C: New test.
2019-02-08 Richard Biener <rguenther@suse.de>
PR middle-end/89223

11
gcc/testsuite/g++.dg/ubsan/pr89234.C Normal file
View File

@ -0,0 +1,11 @@
// PR rtl-optimization/89234
// { dg-do compile { target dfp } }
// { dg-options "-O2 -fnon-call-exceptions -fsanitize=null" }
typedef float __attribute__((mode (SD))) _Decimal32;
void
foo (_Decimal32 *b, _Decimal32 c)
{
*b = c + 1.5;
}