[Bug tree-optimization/66828] [5/6 Regression] gcc/tree-ssa-math-opts.c:2182:38: runtime error: left shift of 72057594037927936 by 8 places cannot be represented in type 'long int'

[thopre01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66828

--- Comment #6 from Thomas Preud'homme <thopre01 at gcc dot gnu.org> ---
Created attachment 36078
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36078&action=edit
Use unsigned type for inc to have defined left shift