[Bug target/115387] New: [15] RISC-V: ICE in iovsprintf.c

["ewlu at rivosinc dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115387

            Bug ID: 115387
           Summary: [15] RISC-V: ICE in iovsprintf.c
           Product: gcc
           Version: 15.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ewlu at rivosinc dot com
  Target Milestone: ---

Created attachment 58381
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58381&action=edit
freport-bug log

iovsprintf.c: In function '__vsprintf_internal':
iovsprintf.c:34:1: error: definition in block 5 follows the use
   34 | __vsprintf_internal (char *string, size_t maxlen,
      | ^~~~~~~~~~~~~~~~~~~
for SSA_NAME: _9 in statement:
prephitmp_36 = (char *) _9;
during GIMPLE pass: widening_mul
iovsprintf.c:34:1: internal compiler error: verify_ssa failed
0x15d36cd verify_ssa(bool, bool)
        ../../../gcc/gcc/tree-ssa.cc:1203
0x121d9b5 execute_function_todo
        ../../../gcc/gcc/passes.cc:2096
0x121de0b execute_todo
        ../../../gcc/gcc/passes.cc:2143
Please submit a full bug report, with preprocessed source.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

Found on all linux targets
https://github.com/patrick-rivos/gcc-postcommit-ci/issues/1067