[Bug jit/71334] New: gccjit's sized integers have different underlying types than stdint.h

[b.r.longbons at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71334

            Bug ID: 71334
           Summary: gccjit's sized integers have different underlying
                    types than stdint.h
           Product: gcc
           Version: 6.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: jit
          Assignee: dmalcolm at gcc dot gnu.org
          Reporter: b.r.longbons at gmail dot com
  Target Milestone: ---

Created attachment 38594
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38594&action=edit
Utility to print underlying types of GCC vs GCCJIT

When constructed from size + signedness, gccjit should return the same
underlying types as <stdint.h> uses, but doesn't.

Additionally, it appears to return some completely distinct type for size_t,
rather than following the typedef.

Actual output of the attached tool:

underlying size_t: gcc long unsigned int, gccjit unknown
underlying uint32_t: gcc unsigned int, gccjit unsigned int
underlying uint64_t: gcc long unsigned int, gccjit long long unsigned int