https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103055
Bug ID: 103055
Summary: [12 Regression] ICE: in get_ssa_name_flags, at
ipa-modref.c:1660 with --param=modref-max-depth=0
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
CC: marxin at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Created attachment 51727
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51727&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -fipa-modref --param=modref-max-depth=0 testcase.c
during IPA pass: modref
testcase.c: In function 'foo':
testcase.c:5:1: internal compiler error: in get_ssa_name_flags, at
ipa-modref.c:1660
5 | }
| ^
0x6fdd23 get_ssa_name_flags
/repo/gcc-trunk/gcc/ipa-modref.c:1660
0x6fdd23 analyze_parms
/repo/gcc-trunk/gcc/ipa-modref.c:2179
0x6fdd23 analyze_function
/repo/gcc-trunk/gcc/ipa-modref.c:2351
0x10deaae modref_generate
/repo/gcc-trunk/gcc/ipa-modref.c:2444
0x123af82 execute_ipa_summary_passes(ipa_opt_pass_d*)
/repo/gcc-trunk/gcc/passes.c:2248
0xe801f0 ipa_passes
/repo/gcc-trunk/gcc/cgraphunit.c:2179
0xe801f0 symbol_table::compile()
/repo/gcc-trunk/gcc/cgraphunit.c:2289
0xe82887 symbol_table::compile()
/repo/gcc-trunk/gcc/cgraphunit.c:2269
0xe82887 symbol_table::finalize_compilation_unit()
/repo/gcc-trunk/gcc/cgraphunit.c:2537
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-4857-20211103014547-g62af7d9402f-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r12-4857-20211103014547-g62af7d9402f-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.0 20211103 (experimental) (GCC)
