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analyzer: fix ICE on realloc of zeroed memory [PR104062]
authorDavid Malcolm <dmalcolm@redhat.com>
Tue, 18 Jan 2022 15:03:53 +0000 (10:03 -0500)
committerDavid Malcolm <dmalcolm@redhat.com>
Tue, 18 Jan 2022 20:55:12 +0000 (15:55 -0500)
commit79e746bb05e432dcd1c18161469272d67c33d79d
treedcc28f9b84126233c84a3d0f27c5060527e2b45dtree | snapshot
parentfe3ed885cda5ab920d361b694ee539242052022fcommit | diff
analyzer: fix ICE on realloc of zeroed memory [PR104062]

gcc/analyzer/ChangeLog:
PR analyzer/104062
* region-model-manager.cc
(region_model_manager::maybe_fold_sub_svalue): Avoid casting to
NULL type when folding access to repeated svalue.

gcc/testsuite/ChangeLog:
PR analyzer/104062
* gcc.dg/analyzer/pr104062.c: New test.

Signed-off-by: David Malcolm <dmalcolm@redhat.com>
gcc/analyzer/region-model-manager.cc diff | blob | history
gcc/testsuite/gcc.dg/analyzer/pr104062.c [new file with mode: 0644] blob