https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106746
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> --- This debug INSN: (debug_insn 29 28 30 2 (var_location:BLK D#2 (concatn:BLK [ (mem/j:SI (plus:DI (plus:DI (ashift:DI (zero_extend:DI (and:SI (mem:SI (plus:DI (reg/f:DI 7 sp) (const_int 72 [0x48])) [1 S4 A512]) (const_int 15 [0xf]))) (const_int 2 [0x2])) (reg/f:DI 7 sp)) (const_int 8 [0x8])) [1 VIEW_CONVERT_EXPR<int[16]>(vectmp.9)[_18]+0 S4 A32]) (mem/j:SI (plus:DI (plus:DI (ashift:DI (zero_extend:DI (and:SI (mem:SI (plus:DI (reg/f:DI 7 sp) (const_int 76 [0x4c])) [1 S4 A32]) (const_int 15 [0xf]))) (const_int 2 [0x2])) (reg/f:DI 7 sp)) (const_int 8 [0x8])) [1 VIEW_CONVERT_EXPR<int[16]>(vectmp.9)[_21]+0 S4 A32]) (mem/j:SI (plus:DI (plus:DI (ashift:DI (zero_extend:DI (and:SI (mem:SI (plus:DI (reg/f:DI 7 sp) (const_int 80 [0x50])) [1 S4 A64]) (const_int 15 [0xf]))) triggered the failure.