https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117358
Bug ID: 117358 Summary: ICE: in execute_todo, at passes.cc:2138 at -O2 and above with const attribute Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: iamanonymous.cs at gmail dot com Target Milestone: --- ******************************************************************************* OS and Platform: $ uname -a: Linux 65dac7c84719 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ******************************************************************************* gcc version: Using built-in specs. COLLECT_GCC=/home/software/gcc-trunk-3aa004f/bin/gcc COLLECT_LTO_WRAPPER=/home/software/gcc-trunk-3aa004f/libexec/gcc/x86_64-pc-linux-gnu/15.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc/configure --disable-multilib --disable-bootstrap --enable-languages=c,c++ --prefix=/home/software/gcc-trunk-3aa004f --enable-coverage Thread model: posix Supported LTO compression algorithms: zlib gcc version 15.0.0 20240630 (experimental) (GCC) ******************************************************************************* Program: $ cat mutant.c char a; int __attribute__((const)) snprintf(char *, unsigned long, char *, ...); long b(long d) { return snprintf(&a, d, ""); } int c() { return b(sizeof(c)); } ******************************************************************************* Command Lines: $ gcc -O2 mutant.c during GIMPLE pass: strlen mutant.c: In function 'c': mutant.c:7:5: internal compiler error: in execute_todo, at passes.cc:2138 7 | int c() | ^ 0x5071bcf diagnostic_context::report_diagnostic(diagnostic_info*) ???:0 0x50724a1 diagnostic_context::diagnostic_impl(rich_location*, diagnostic_metadata const*, int, char const*, __va_list_tag (*) [1], diagnostic_t) ???:0 0x50924c7 internal_error(char const*, ...) ???:0 0x50729e4 fancy_abort(char const*, int, char const*) ???:0 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. Godbolt link: https://godbolt.org/z/hvPv7r436