https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110742
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I can reproduce this via a cross compiler: ./cc1plus t.ii -nostdinc -O2 -fprofile-generate -fno-exceptions -fno-rtti -march=armv8-a+simd -mfpu=neon-fp-armv8 -mfloat-abi=hard -mthumb /home/thiago.bauermann/src/gcc/gcc/ira.cc: In function ‘void setup_reg_class_relations()’: /home/thiago.bauermann/src/gcc/gcc/ira.cc:1198:1: internal compiler error: Floating point exception So reducing ...