[Bug c++/93255] New: internal compiler error: in sign_mask, at wide-int.h:855

[raj.khem at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93255

            Bug ID: 93255
           Summary: internal compiler error: in sign_mask, at
                    wide-int.h:855
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: raj.khem at gmail dot com
  Target Milestone: ---

Attached testcase crashes gcc

mips-yoe-linux-g++ a.cpp -S

a.cpp: In function 'bool isEmpty()':
a.cpp:10:36: internal compiler error: in sign_mask, at wide-int.h:855
   10 |   return (fFields.fLengthAndFlags>>kLengthShift) == 0;
      |                                    ^~~~~~~~~~~~


a.cpp
=====

enum {
  kLengthShift=5,
};

struct {
  short int fLengthAndFlags;
} fFields;

bool isEmpty() {
  return (fFields.fLengthAndFlags>>kLengthShift) == 0;