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| author | David Malcolm <dmalcolm@redhat.com> | 2022-01-18 10:03:53 -0500 |
|---|---|---|
| committer | David Malcolm <dmalcolm@redhat.com> | 2022-01-18 15:55:12 -0500 |
| commit | 79e746bb05e432dcd1c18161469272d67c33d79d (patch) | |
| tree | dcc28f9b84126233c84a3d0f27c5060527e2b45d /gcc/analyzer | |
| parent | fe3ed885cda5ab920d361b694ee539242052022f (diff) | |
| download | gcc-79e746bb05e432dcd1c18161469272d67c33d79d.zip gcc-79e746bb05e432dcd1c18161469272d67c33d79d.tar.gz gcc-79e746bb05e432dcd1c18161469272d67c33d79d.tar.bz2 | |
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>
Diffstat (limited to 'gcc/analyzer')
| -rw-r--r-- | gcc/analyzer/region-model-manager.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/analyzer/region-model-manager.cc b/gcc/analyzer/region-model-manager.cc index 903cdfde..9d4f595 100644 --- a/gcc/analyzer/region-model-manager.cc +++ b/gcc/analyzer/region-model-manager.cc @@ -794,7 +794,8 @@ region_model_manager::maybe_fold_sub_svalue (tree type, if (const repeated_svalue *repeated_sval = parent_svalue->dyn_cast_repeated_svalue ()) - return get_or_create_cast (type, repeated_sval->get_inner_svalue ()); + if (type) + return get_or_create_cast (type, repeated_sval->get_inner_svalue ()); return NULL; } |