[Bug analyzer/94999] New: internal compiler error: in saved_diagnostic

tommy-gccbugs at thorn dot ws gcc-bugzilla@gcc.gnu.org
Fri May 8 08:46:44 GMT 2020


            Bug ID: 94999
           Summary: internal compiler error: in saved_diagnostic
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: analyzer
          Assignee: dmalcolm at gcc dot gnu.org
          Reporter: tommy-gccbugs at thorn dot ws
  Target Milestone: ---

Created attachment 48478
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48478&action=edit
Reproduces the internal bug

GCC 10 just landed in Ubuntu Focal, identifying itself as

  gcc version 10.0.1 20200411 (experimental) [master revision
  (Ubuntu 10-20200411-0ubuntu1)

I gave the analyzer a try and immediately hit an internal error with

  $ gcc-10 -fanalyzer -std=c99 bug.c

during IPA pass: analyzer
memory.c: In function ‘mk_entry’:
memory.c:116:12: internal compiler error: in saved_diagnostic, at
  116 |     return (struct entry) {safe_calloc(end - start, 1), start, end};
      |            ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-10/README.Bugs> for instructions.

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