[Bug target/127155] [15 Regression] ICE in expand_fn_using_insn, at internal-fn.cc:268 during mips64el-unknown-linux-gnuabi64 gcc build

[zsojka at seznam dot cz via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127155

--- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> ---
Created attachment 65460
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65460&action=edit
preprocessed source

$ /repo/build-gcc-15-branch-mips64el/./gcc/xgcc -shared-libgcc
-B/repo/build-gcc-15-branch-mips64el/./gcc ./floating_to_chars.ii
during RTL pass: expand
In file included from
/repo/build-gcc-15-branch-mips64el/mips64el-unknown-linux-gnuabi64/libstdc++-v3/include/charconv:48,
                 from
/repo/gcc-15-branch/libstdc++-v3/src/c++17/floating_to_chars.cc:25:
/repo/build-gcc-15-branch-mips64el/mips64el-unknown-linux-gnuabi64/libstdc++-v3/include/bit:
In function 'constexpr int std::__countl_zero(_Tp) [with _Tp = __int128
unsigned]':
/repo/build-gcc-15-branch-mips64el/mips64el-unknown-linux-gnuabi64/libstdc++-v3/include/bit:209:37:
internal compiler error: in expand_fn_using_insn, at internal-fn.cc:268
...

No issues on other branches, no issues with gcc-15.3.0