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)

Reply via email to