https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116068
Bug ID: 116068
Summary: [15 Regression] ICE: in bitmap_alloc, at bitmap.cc:785
with -Os -flto -ffat-lto-objects
-floop-parallelize-all
Product: gcc
Version: 15.0
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
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 58748
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58748&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -Os -flto -ffat-lto-objects -floop-parallelize-all
-ftree-parallelize-loops=2 --param=parloops-schedule=dynamic testcase.c
testcase.c: In function 'foo0._loopfn.0':
testcase.c:24:1: internal compiler error: in bitmap_alloc, at bitmap.cc:785
24 | }
| ^
0x2b38cee internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:491
0xe4e87b fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostic.cc:1725
0x7331aa bitmap_alloc(bitmap_obstack*)
/repo/gcc-trunk/gcc/bitmap.cc:785
0x16a7a36 walk_aliased_vdefs_1
/repo/gcc-trunk/gcc/tree-ssa-alias.cc:4038
0x16a7acf walk_aliased_vdefs(ao_ref*, tree_node*, bool (*)(ao_ref*, tree_node*,
void*), void*, bitmap_head**, bool*, unsigned int)
/repo/gcc-trunk/gcc/tree-ssa-alias.cc:4082
0x12aef59 ipa_polymorphic_call_context::get_dynamic_type(tree_node*,
tree_node*, tree_node*, gimple*, unsigned int*)
/repo/gcc-trunk/gcc/ipa-polymorphic-call.cc:1738
0x12ea221 ipa_compute_jump_functions_for_edge
/repo/gcc-trunk/gcc/ipa-prop.cc:2343
0x12ebbba ipa_compute_jump_functions_for_bb
/repo/gcc-trunk/gcc/ipa-prop.cc:2500
0x12ebbba analysis_dom_walker::before_dom_children(basic_block_def*)
/repo/gcc-trunk/gcc/ipa-prop.cc:3134
0x289b70e dom_walker::walk(basic_block_def*)
/repo/gcc-trunk/gcc/domwalk.cc:311
0x12e8859 ipa_analyze_node(cgraph_node*)
/repo/gcc-trunk/gcc/ipa-prop.cc:3203
0x1031fb0 symbol_table::call_cgraph_insertion_hooks(cgraph_node*)
/repo/gcc-trunk/gcc/cgraph.cc:385
0x104118a symbol_table::process_new_functions()
/repo/gcc-trunk/gcc/cgraphunit.cc:362
0x1041c3d symbol_table::process_new_functions()
/repo/gcc-trunk/gcc/cgraphunit.cc:304
0x1041c3d expand_all_functions
/repo/gcc-trunk/gcc/cgraphunit.cc:2064
0x1041c3d symbol_table::compile()
/repo/gcc-trunk/gcc/cgraphunit.cc:2404
0x1044607 symbol_table::compile()
/repo/gcc-trunk/gcc/cgraphunit.cc:2315
0x1044607 symbol_table::finalize_compilation_unit()
/repo/gcc-trunk/gcc/cgraphunit.cc:2589
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.
$ 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-r15-2241-20240724125158-g90597341095-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/15.0.0/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
--disable-bootstrap --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 --enable-libsanitizer
--disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r15-2241-20240724125158-g90597341095-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20240724 (experimental) (GCC)
