https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105409
--- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- > $ cc1plus -m32 -quiet m.x0-m_m2.cpp > m.x0-m_m2.cpp:111:1: internal compiler error: in simplify_subreg, at > simplify-rtx.cc:7351 > 111 | } > | ^ If one compiles the testcase with a sparcv9-sun-solaris2.11 g++, it works just fine. However, the cc1plus invocation is different: cc1plus -mptr32 -mno-stack-bias -quiet -m32 -mcpu=v9 m.x0-m_m2.cpp Omitting the -mptr32 lets the ICE resurface. It seems gm2 omits CC1_SPEC from the cc1/cc1plus invocation in gcc/m2/m2-link-support.h.
