[Bug c/107734] New: valgrind error for gcc/testsuite/cc.target/i386/pr46051.c
dcb314 at hotmail dot com
gcc-bugzilla@gcc.gnu.org
Thu Nov 17 11:45:56 GMT 2022
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107734
Bug ID: 107734
Summary: valgrind error for
gcc/testsuite/cc.target/i386/pr46051.c
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
I just built a valgrind version of today's gcc trunk.
When compiling source code file gcc.target/i386/pr46051.c,
I got the following:
$ ~/gcc/results.20221117.valgrind/bin/gcc -c -O2 ./gcc.target/i386/pr46051.c
==639651== Conditional jump or move depends on uninitialised value(s)
==639651== at 0x11DFAE7: bitmap_set_bit (sbitmap.h:137)
==639651== by 0x11DFAE7: gimple_simplify_122(gimple_match_op*, gimple**,
tree
_node* (*)(tree_node*), tree_node*, tree_node**, tree_code)
(gimple-match.cc:489
33)
==639651== by 0x1154189: gimple_simplify_MULT_EXPR(gimple_match_op*,
gimple**
, tree_node* (*)(tree_node*), code_helper, tree_node*, tree_node*, tree_node*)
(
gimple-match.cc:131594)
==639651== by 0x10771D1: gimple_resimplify2(gimple**, gimple_match_op*,
tree_
node* (*)(tree_node*)) (gimple-match-head.cc:323)
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