https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112415
--- Comment #8 from Sam James <sjames at gcc dot gnu.org> --- (In reply to Jeffrey A. Law from comment #6) Program received signal SIGSEGV, Segmentation fault. 0x412083f0 in _PyST_GetSymbol (name=0xf9a34a00, ste=<optimized out>) at Python/symtable.c:396 396 PyObject *v = PyDict_GetItemWithError(ste->ste_symbols, name); (gdb) x/20i $pc => 0x412083f0 <_PyST_GetScope+20>: ldw c(r26),r26 0x412083f4 <_PyST_GetScope+24>: movb,= ret0,r26,0x41208414 <_PyST_GetScope+56> 0x412083f8 <_PyST_GetScope+28>: copy r4,r19 0x412083fc <_PyST_GetScope+32>: b,l 0x410d6900 <PyLong_AsLong>,rp 0x41208400 <_PyST_GetScope+36>: nop 0x41208404 <_PyST_GetScope+40>: ldw -54(sp),rp 0x41208408 <_PyST_GetScope+44>: extrw,u ret0,20,4,ret0 0x4120840c <_PyST_GetScope+48>: bve (rp) 0x41208410 <_PyST_GetScope+52>: ldw,mb -40(sp),r4 0x41208414 <_PyST_GetScope+56>: copy r26,ret0 0x41208418 <_PyST_GetScope+60>: ldw -54(sp),rp 0x4120841c <_PyST_GetScope+64>: bve (rp) 0x41208420 <_PyST_GetScope+68>: ldw,mb -40(sp),r4 0x41208424 <_Py_SymtableStringObjectFlags>: stw rp,-14(sp) 0x41208428 <_Py_SymtableStringObjectFlags+4>: stw,ma r8,80(sp) 0x4120842c <_Py_SymtableStringObjectFlags+8>: copy r23,r8 0x41208430 <_Py_SymtableStringObjectFlags+12>: stw r7,-7c(sp) 0x41208434 <_Py_SymtableStringObjectFlags+16>: copy r24,r7 0x41208438 <_Py_SymtableStringObjectFlags+20>: stw r6,-78(sp) 0x4120843c <_Py_SymtableStringObjectFlags+24>: copy r25,r6 (gdb) (gdb) i r flags <unavailable> r1 0x411bc688 1092339336 rp 0x412083f7 1092649975 r3 0x1 1 r4 0x4136c000 1094107136 r5 0xf9a34a00 4188228096 r6 0x8d 141 r7 0xf7b03b88 4155521928 r8 0xf7b03ba8 4155521960 r9 0xf9953b68 4187306856 r10 0x0 0 r11 0x8e 142 r12 0x414e1820 1095637024 r13 0x414e4490 1095648400 r14 0xf9a76498 4188497048 r15 0x1 1 r16 0xf99bb5e8 4187731432 r17 0xf9ae11b4 4188934580 r18 0xf99e3b68 4187896680 r19 0x4136c000 1094107136 r20 0x411bc7f0 1092339696 r21 0x41450268 1095041640 r22 0x8d 141 r23 0x1 1 r24 0x1 1 r25 0xf9a34a00 4188228096 r26 0x34 52 dp 0x4136c000 1094107136 ret0 0xf9964020 4187373600 ret1 0x8d 141 sp 0xf7b04080 4155523200 r31 0x1 1 sar 0x3d 61 pcoqh 0x412083f3 1092649971 pcsqh <unavailable> pcoqt 0x410e4c0f 1091456015 pcsqt <unavailable> eiem <unavailable> iir <unavailable> isr <unavailable> ior <unavailable> ipsw 0xeff0f 982799 goto <unavailable> sr4 <unavailable> sr0 <unavailable> sr1 <unavailable> sr2 <unavailable> sr3 <unavailable> sr5 <unavailable> sr6 <unavailable> sr7 <unavailable> cr0 <unavailable> cr8 <unavailable> cr9 <unavailable> ccr <unavailable> cr12 <unavailable> cr13 <unavailable> cr24 <unavailable> cr25 <unavailable> cr26 0xeff0f 982799 mpsfu_high 0xf7afa500 4155483392 mpsfu_low <unavailable> mpsfu_ovflo <unavailable> pad <unavailable> fpsr <unavailable> fpe1 <unavailable> fpe2 <unavailable> fpe3 <unavailable> fpe4 <unavailable> fpe5 <unavailable> fpe6 <unavailable> fpe7 <unavailable> (gdb)