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From: "acoplan at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug analyzer/107349] New: [13 Regression] ICE in get_va_copy_arg, at analyzer/varargs.cc:175
Date: Fri, 21 Oct 2022 17:06:58 +0000 [thread overview]
Message-ID: <bug-107349-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107349
Bug ID: 107349
Summary: [13 Regression] ICE in get_va_copy_arg, at
analyzer/varargs.cc:175
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: analyzer
Assignee: dmalcolm at gcc dot gnu.org
Reporter: acoplan at gcc dot gnu.org
Target Milestone: ---
The following fails on aarch64:
$ cat t.c
void f() {
__builtin_va_list x,y;
__builtin_va_copy(x,y);
}
$ gcc/xgcc -B gcc -c t.c -fanalyzer
during IPA pass: analyzer
t.c: In function ‘f’:
t.c:3:3: internal compiler error: in get_va_copy_arg, at
analyzer/varargs.cc:175
3 | __builtin_va_copy(x,y);
| ^~~~~~~~~~~~~~~~~~~~~~
0x13d26cb get_va_copy_arg
/home/alecop01/toolchain/src/gcc/gcc/analyzer/varargs.cc:175
0x13d3a47 ana::region_model::impl_call_va_copy(ana::call_details const&)
/home/alecop01/toolchain/src/gcc/gcc/analyzer/varargs.cc:696
0x136742b ana::region_model::on_call_pre(gcall const*,
ana::region_model_context*, bool*)
/home/alecop01/toolchain/src/gcc/gcc/analyzer/region-model.cc:2246
0x13707f7 ana::region_model::on_stmt_pre(gimple const*, bool*, bool*,
ana::region_model_context*)
/home/alecop01/toolchain/src/gcc/gcc/analyzer/region-model.cc:1262
0x133706f ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode
const*, gimple const*, ana::program_state*, ana::uncertainty_t*,
ana::path_context*)
/home/alecop01/toolchain/src/gcc/gcc/analyzer/engine.cc:1447
0x1339a2b ana::exploded_graph::process_node(ana::exploded_node*)
/home/alecop01/toolchain/src/gcc/gcc/analyzer/engine.cc:4034
0x133a6a3 ana::exploded_graph::process_worklist()
/home/alecop01/toolchain/src/gcc/gcc/analyzer/engine.cc:3436
0x133c847 ana::impl_run_checkers(ana::logger*)
/home/alecop01/toolchain/src/gcc/gcc/analyzer/engine.cc:6084
0x133dd73 ana::run_checkers()
/home/alecop01/toolchain/src/gcc/gcc/analyzer/engine.cc:6158
0x132ce5b execute
/home/alecop01/toolchain/src/gcc/gcc/analyzer/analyzer-pass.cc:86
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
this was reduced from the analyzer testsuite where I see the following tests
failing due to this:
gcc.dg/analyzer/stdarg-1.c
gcc.dg/analyzer/call-summaries-2.c
gcc.dg/analyzer/stdarg-2.c
I think this might have started with
r13-3390-gebe87edadc4a3f15a6a0d0c1d4a198e0ea37d8b5
next reply other threads:[~2022-10-21 17:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-21 17:06 acoplan at gcc dot gnu.org [this message]
2022-10-21 19:04 ` [Bug analyzer/107349] " pinskia at gcc dot gnu.org
2022-10-24 16:51 ` dmalcolm at gcc dot gnu.org
2022-10-24 20:49 ` cvs-commit at gcc dot gnu.org
2022-10-24 21:04 ` dmalcolm at gcc dot gnu.org
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