[Bug rtl-optimization/100213] Signed integer overflow in poly-int.h via alias.c:memrefs_conflict_p

2021-04-22 Thread acoplan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100213 --- Comment #1 from Alex Coplan --- For the related: void a() { __builtin_memset(a + 0x7fff, 0, 3); } we see a similar problem to PR100201 in tree-ssa-alias.c: $ gcc/xgcc -B gcc alias_test.c -c -O /home/alecop01/toolchain/src/gc

[Bug rtl-optimization/100213] Signed integer overflow in poly-int.h via alias.c:memrefs_conflict_p

2021-08-16 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100213 --- Comment #2 from Andrew Pinski --- overflow in pointer types juck.