https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116406
Bug ID: 116406
Summary: [15 Regression] ICE: in add_to_value, at
tree-ssa-pre.cc:695 with -Os
-finstrument-functions-once -mfpmath=387
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
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 58947
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58947&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -Os -finstrument-functions-once -mfpmath=387
testcase.c
during GIMPLE pass: pre
testcase.c: In function 'foo':
testcase.c:8:1: internal compiler error: in add_to_value, at
tree-ssa-pre.cc:695
8 | foo (int c, U u)
| ^~~
0x2b4e30e internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:491
0xe51fd1 fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostic.cc:1772
0x888c6b add_to_value
/repo/gcc-trunk/gcc/tree-ssa-pre.cc:695
0x1773a3a phi_translate_1
/repo/gcc-trunk/gcc/tree-ssa-pre.cc:1676
0x17744c9 phi_translate
/repo/gcc-trunk/gcc/tree-ssa-pre.cc:1743
0x17746ef phi_translate_set
/repo/gcc-trunk/gcc/tree-ssa-pre.cc:1788
0x1777b65 compute_antic_aux
/repo/gcc-trunk/gcc/tree-ssa-pre.cc:2137
0x1777b65 compute_antic
/repo/gcc-trunk/gcc/tree-ssa-pre.cc:2492
0x1777b65 execute
/repo/gcc-trunk/gcc/tree-ssa-pre.cc:4502
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-r15-2962-20240817120017-ga11dcaff9fc-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-r15-2962-20240817120017-ga11dcaff9fc-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20240817 (experimental) (GCC)
