[Bug c/101176] New: valgrind error for c-c++-common/builtin-has-attribute.c

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101176

            Bug ID: 101176
           Summary: valgrind error for
                    c-c++-common/builtin-has-attribute.c
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

For the gcc testsuite file c-c++-common/builtin-has-attribute.c
and a recent build of gcc trunk with valgrind, I get:

./c-c++-common/builtin-has-attribute.c:31:32: error: ‘foobar’ undeclared (first 
use in this function)
   31 |   b = __builtin_has_attribute (foobar, aligned);  /* { dg-error
".foobar
. \(undeclared|was not declared\)" } */
      |                                ^~~~~~
==104199== Use of uninitialised value of size 8
==104199==    at 0x16EDF70: htab_find_slot_with_hash (hashtab.c:654)
==104199==    by 0x169B7CD: get_combined_adhoc_loc(line_maps*, unsigned int,
sou
rce_range, void*) (line-map.c:208)

Since this valgrind error is for C code with errors in it, I think
this is reduced priority.