https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96962
Bug ID: 96962
Summary: [11 Regression] ICE in gimple_call_arg, at
gimple.h:3256
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: ---
Target: x86_64-unknown-linux
gcc-11.0.0-alpha20200906 snapshot (g:23f8b90c401842afcbaa50a7fd3c2f37818f4396)
ICEs when compiling the following testcase w/ -mptwrite -fanalyzer:
void
t5 (unsigned long long b4)
{
__builtin_ia32_ptwrite64 (b4);
}
% gcc-11.0.0 -mptwrite -fanalyzer -c hr2tho5k.c
during IPA pass: analyzer
hr2tho5k.c: In function 't5':
hr2tho5k.c:4:3: internal compiler error: in gimple_call_arg, at gimple.h:3256
4 | __builtin_ia32_ptwrite64 (b4);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x723b86 gimple_call_arg
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/gimple.h:3256
0x723c82 gimple_call_arg
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/tree.h:3295
0x723c82 ana::call_details::get_arg_tree(unsigned int) const
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/analyzer/region-model-impl-calls.cc:103
0x723c82 ana::call_details::get_arg_svalue(unsigned int) const
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/analyzer/region-model-impl-calls.cc:111
0x723c82 ana::region_model::impl_call_memset(ana::call_details const&)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/analyzer/region-model-impl-calls.cc:284
0x111c7fd ana::region_model::on_call_pre(gcall const*,
ana::region_model_context*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/analyzer/region-model.cc:677
0x10fb2a4 ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode
const*, gimple const*, ana::program_state*) const
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/analyzer/engine.cc:1083
0x10fc10d ana::exploded_graph::process_node(ana::exploded_node*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/analyzer/engine.cc:2526
0x10fcbfa ana::exploded_graph::process_worklist()
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/analyzer/engine.cc:2341
0x10fed4f ana::impl_run_checkers(ana::logger*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/analyzer/engine.cc:4107
0x10ff97c ana::run_checkers()
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/analyzer/engine.cc:4175
0x10f42f8 execute
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200906/work/gcc-11-20200906/gcc/analyzer/analyzer-pass.cc:84
