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Correct uninitialized object offset and size computation [PR101494].
authorMartin Sebor <msebor@redhat.com>
Wed, 28 Jul 2021 22:25:40 +0000 (16:25 -0600)
committerMartin Sebor <msebor@redhat.com>
Wed, 28 Jul 2021 22:25:40 +0000 (16:25 -0600)
commit1121e495b70105deeb82295f8210e30f2080bc37
tree2848e49b3eef7021e3e034f6a7f31f68a946350dtree | snapshot
parentb9cbf8c9e0bc72f59b643165247fae646560aaddcommit | diff
Correct uninitialized object offset and size computation [PR101494].

Resolves:
PR middle-end/101494 - -Wuninitialized false alarm with memrchr of size 0

gcc/ChangeLog:

PR middle-end/101494
* tree-ssa-uninit.c (maybe_warn_operand): Correct object offset
and size computation.

gcc/testsuite/ChangeLog:

PR middle-end/101494
* gcc.dg/uninit-pr101494.c: New test.
gcc/testsuite/gcc.dg/uninit-pr101494.c [new file with mode: 0644] blob
gcc/tree-ssa-uninit.c diff | blob | blame | history
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