https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117919
Bug ID: 117919 Summary: [14/15 Regression] ICE: in propagate, at gimple-ssa-sccopy.cc:625 with -O -fno-tree-forwprop -fnon-call-exceptions --param=early-inlining-insns=192 Product: gcc Version: unknown 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 59792 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59792&action=edit auto-reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O -fno-tree-forwprop -fnon-call-exceptions --param=early-inlining-insns=192 -std=c++20 strgen.cpp.ii during GIMPLE pass: sccopy strgen.cpp.ii: In function 'int main()': strgen.cpp.ii:48:1: internal compiler error: in propagate, at gimple-ssa-sccopy.cc:625 48 | } | ^ 0x30d83a0 internal_error(char const*, ...) /repo/gcc-trunk/gcc/diagnostic-global-context.cc:517 0xfa5c25 fancy_abort(char const*, int, char const*) /repo/gcc-trunk/gcc/diagnostic.cc:1696 0xf65c94 scc_copy_prop::propagate() /repo/gcc-trunk/gcc/gimple-ssa-sccopy.cc:625 0x2eaf31d execute /repo/gcc-trunk/gcc/gimple-ssa-sccopy.cc:681 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-20241204084034-r15-5922-ga0ac8fa55a4749-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-20241204084034-r15-5922-ga0ac8fa55a4749-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 15.0.0 20241204 (experimental) (GCC)