[Bug c++/94250] New: valgrind error for ./g++.dg/ipa/remref-1.C

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94250

            Bug ID: 94250
           Summary: valgrind error for ./g++.dg/ipa/remref-1.C
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

For testsuite file ./g++.dg/ipa/remref-1.C, compiled by recent trunk
in a valgrind version and compiler flag -O2, does this:

==1825381== Invalid read of size 2
==1825381==    at 0x853A7C: symtab_node::clone_reference(ipa_ref*, gimple*)
(symtab.c:712)
==1825381==    by 0xA4F665: ipa_edge_args_sum_t::duplicate(cgraph_edge*,
cgraph_edge*, ipa_edge_args*, ipa_edge_args*) (ipa-prop.c:4226)
==1825381==    by 0xA58061:
call_summary<ipa_edge_args*>::symtab_duplication(cgraph_edge*, cgraph_edge*,
void*) (symbol-summary.h:737)
==1825381==    by 0x85CBD3: call_edge_duplication_hooks (cgraph.c:450)