Re: [PATCH] Fix PR82488 - signed integer overflow in expr.c

2017-11-26 Thread Jeff Law
On 11/26/2017 02:12 AM, Markus Trippelsdorf wrote: > bootstrap-ubsan shows: > gcc/expr.c:4103:17: runtime error: signed integer overflow: 0 - > -9223372036854775808 cannot be represented in type 'long int' > > Fix by handling the saw_unknown case earlier. > > bootstrap-ubsan on X86_64 and ppc64

[PATCH] Fix PR82488 - signed integer overflow in expr.c

2017-11-26 Thread Markus Trippelsdorf
bootstrap-ubsan shows: gcc/expr.c:4103:17: runtime error: signed integer overflow: 0 - -9223372036854775808 cannot be represented in type 'long int' Fix by handling the saw_unknown case earlier. bootstrap-ubsan on X86_64 and ppc64le. Tested on ppc64le. OK for trunk? PR rtl-optimizatio