https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108121
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
> gm2.log: FAIL: gm2/pim/pass/TestLong4.mod, -g
And this one fails due to UBSAN (signed integer overflow):
/dev/shm/objdir/gcc/gm2 -B/dev/shm/objdir2/gcc
/home/marxin/Programming/gcc/gcc/testsuite/gm2/pim/pass/TestLong4.mod -c
/home/marxin/Programming/gcc/gcc/m2/gm2-gcc/m2expr.cc:4037:13: runtime error:
signed integer overflow: 1717986918 + 429496730 cannot be represented in type
'int'
#0 0x4db49f6 in append_m2_digit
/home/marxin/Programming/gcc/gcc/m2/gm2-gcc/m2expr.cc:4037
#1 0x4db52c0 in m2expr_interpret_m2_integer
/home/marxin/Programming/gcc/gcc/m2/gm2-gcc/m2expr.cc:4106
#2 0x4da403c in m2decl_DetermineSizeOfConstant
/home/marxin/Programming/gcc/gcc/m2/gm2-gcc/m2decl.cc:296
#3 0x4f8879e in GetConstLitType(unsigned int, unsigned int)
(/dev/shm/objdir2/gcc/cc1gm2+0x4f8879e)
#4 0x4f9d0e3 in SymbolTable_MakeConstLit
(/dev/shm/objdir2/gcc/cc1gm2+0x4f9d0e3)
#5 0x4f633a8 in P2SymBuild_BuildNumber
(/dev/shm/objdir2/gcc/cc1gm2+0x4f633a8)
#6 0x4fe4572 in Integer(unsigned int, unsigned int, unsigned int)
(/dev/shm/objdir2/gcc/cc1gm2+0x4fe4572)
#7 0x4fe5076 in Number(unsigned int, unsigned int, unsigned int)
(/dev/shm/objdir2/gcc/cc1gm2+0x4fe5076)
#8 0x4feea69 in Factor(unsigned int, unsigned int, unsigned int)
(/dev/shm/objdir2/gcc/cc1gm2+0x4feea69)
