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From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/100773] New: ice in operator[], at vec.h:890
Date: Wed, 26 May 2021 14:55:11 +0000 [thread overview]
Message-ID: <bug-100773-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100773
Bug ID: 100773
Summary: ice in operator[], at vec.h:890
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
Someplace between gcc trunk dated 20210524 (experimental) (0f3cd532fa02d178)
and 20210526 (experimental) (0eac9c60ac1f28ee), this C code:
fts_build_mail() {
int attempts = 2;
while (fts_build_mail_real())
if (--attempts == 0)
break;
}
with compiler flag -O2 does this:
$ /home/dcb/gcc/results/bin/gcc -c -O2 -w bug720.c
during GIMPLE pass: evrp
fts-build-mail.c: In function ‘fts_build_mail’:
fts-build-mail.c:633:1: internal compiler error: in operator[], at vec.h:890
633 | }
| ^
0x1789c8e vec<range_def_chain::rdc, va_heap, vl_embed>::operator[](unsigned
int)
../../trunk.git/gcc/vec.h:890
0x1789c8e vec<range_def_chain::rdc, va_heap, vl_ptr>::operator[](unsigned int)
../../trunk.git/gcc/vec.h:1461
0x1789c8e range_def_chain::register_dependency(tree_node*, tree_node*,
basic_blo
ck_def*)
../../trunk.git/gcc/gimple-range-gori.cc:179
0x177f4e6 fold_using_range::range_of_range_op(irange&, gimple*, fur_source&)
../../trunk.git/gcc/gimple-range.cc:447
next reply other threads:[~2021-05-26 14:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-26 14:55 dcb314 at hotmail dot com [this message]
2021-05-26 20:20 ` [Bug tree-optimization/100773] [12 Regression] " pinskia at gcc dot gnu.org
2021-05-27 6:27 ` dcb314 at hotmail dot com
2021-05-27 7:12 ` dcb314 at hotmail dot com
2021-05-27 8:12 ` dcb314 at hotmail dot com
2021-05-27 8:22 ` dcb314 at hotmail dot com
2021-05-27 8:33 ` pinskia at gcc dot gnu.org
2021-05-27 14:11 ` marxin at gcc dot gnu.org
2021-05-27 14:16 ` dcb314 at hotmail dot com
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