https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116764
Bug ID: 116764 Summary: SIGSEGV in C Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: yunboni at smail dot nju.edu.cn Target Milestone: --- Created attachment 59137 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59137&action=edit The preprocessed file When I compiled this code with `gcc case.c -o case` and run `./case`, it gave SIGSEGV. ```c #include<stdint.h> int *a; int d; int b() { for (int c = 0;;) a[c] = d; return 1; } int64_t e() { int32_t f[b()]; return f[0]; } int main() { e(); return 0; } ``` My gcc version is: Using built-in specs. COLLECT_GCC=/home/yunbo/eval/compilers/gcc_latest/bin/gcc COLLECT_LTO_WRAPPER=/home/yunbo/eval/compilers/gcc_latest/libexec/gcc/x86_64-pc-linux-gnu/15.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../configure --disable-multilib --disable-bootstrap --enable-languages=c,c++ --prefix=/home/yunbo/eval/compilers/gcc_latest Thread model: posix Supported LTO compression algorithms: zlib gcc version 15.0.0 20240912 (experimental) (GCC)