https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97668
Bug ID: 97668
Summary: [11 Regression] ICE in cmp_cst, at
analyzer/svalue.cc:283
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: analyzer
Assignee: dmalcolm at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Created attachment 49484
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49484&action=edit
Testcase
gfortran-11.0.0-alpha20201101 snapshot
(g:590febb5f6624f78b36402a7c9a9c318978f1efa) ICEs when compiling the attached
testcase w/ -O1 -fanalyzer:
% powerpc-e300c3-linux-gnu-gfortran-11.0.0 -std=legacy -O1 -fanalyzer -c
d9xjyayq.f
during IPA pass: analyzer
d9xjyayq.f:6:16:
6 | DO 136 IG=IS,1
| ^
internal compiler error: in cmp_cst, at analyzer/svalue.cc:283
0x71ef8e cmp_cst
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/analyzer/svalue.cc:283
0x18aca58 cmp1<sort_ctx>
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/sort.cc:153
0x18acab4 netsort<sort_ctx>
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/sort.cc:170
0x18acab4 mergesort<sort_ctx>
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/sort.cc:207
0x18ad0f2 gcc_qsort(void*, unsigned long, unsigned long, int (*)(void const*,
void const*))
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/sort.cc:266
0x183636a ana::constraint_manager::canonicalize()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/analyzer/constraint-manager.cc:1713
0x1211e95 ana::program_state::prune_for_point(ana::exploded_graph&,
ana::program_point const&, ana::exploded_node const*) const
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/analyzer/program-state.cc:1049
0x11fcf02 ana::exploded_graph::get_or_create_node(ana::program_point const&,
ana::program_state const&, ana::exploded_node const*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/analyzer/engine.cc:2045
0x11ffae4 ana::exploded_graph::process_node(ana::exploded_node*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/analyzer/engine.cc:2850
0x1200672 ana::exploded_graph::process_worklist()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/analyzer/engine.cc:2523
0x120282b ana::impl_run_checkers(ana::logger*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/analyzer/engine.cc:4658
0x1203721 ana::run_checkers()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/analyzer/engine.cc:4729
0x11f6748 execute
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/analyzer/analyzer-pass.cc:84
(While my target here is powerpc, the ICE should not be target-specific.)
