[Bug tree-optimization/118503] [15 Regression] gcc-15.0.0_pre20250112 ICE with webkit-gtk-2.46.5-r600: JSBigInt.cpp:1424:6: internal compiler error: in exact_div, at poly-int.h:2160 1424 | bool JSBigInt::equals(JSBigInt* x, JSBigInt* y)

[ted.d.rodgers at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118503

--- Comment #3 from Ted Rodgers <ted.d.rodgers at gmail dot com> ---
Comment on attachment 60168
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60168
reduced UnifiedSource-f2e18ffc-19.cpp.ii

builds with: 
g++ -pipe -std=c++23 -fPIC -fmax-errors=20 -fasynchronous-unwind-tables 
-fno-strict-aliasing -fno-exceptions -fno-rtti -fcoroutines -ffunction-sections
-fdata-sections -fvisibility=hidden -ffp-contract=off -c
UnifiedSource-f2e18ffc-19.cpp.ii -o UnifiedSource-f2e18ffc-19.o -O3 
-fno-tree-vectorize


fails with: 

g++ -pipe -std=c++23 -fPIC -fmax-errors=20 -fasynchronous-unwind-tables 
-fno-strict-aliasing -fno-exceptions -fno-rtti -fcoroutines -ffunction-sections
-fdata-sections -fvisibility=hidden -ffp-contract=off -c
UnifiedSource-f2e18ffc-19.cpp.ii -o UnifiedSource-f2e18ffc-19.o -O3