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| author | Marek Polacek <polacek@redhat.com> | 2014-10-17 18:42:27 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2014-10-17 18:42:27 +0000 |
| commit | f406ae1fd66cbef7528139d813049d606973b4d2 (patch) | |
| tree | ffce8e64d878ee05289269f4a519e7d104d3fd94 /gcc/c | |
| parent | 92574c7cdbf3f32fdc48897990d63e1dc65d5bbf (diff) | |
| download | gcc-f406ae1fd66cbef7528139d813049d606973b4d2.zip gcc-f406ae1fd66cbef7528139d813049d606973b4d2.tar.gz gcc-f406ae1fd66cbef7528139d813049d606973b4d2.tar.bz2 | |
re PR c/63549 ([4.8/4.9/5] ICE in build_array_ref with invalid code)
PR c/63549
* c-typeck.c (build_array_ref): Bail if the index in an incomplete
type.
* gcc.dg/pr63549.c: New test.
From-SVN: r216413
Diffstat (limited to 'gcc/c')
| -rw-r--r-- | gcc/c/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/c/c-typeck.c | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog index d6a58a8..bb57ee2 100644 --- a/gcc/c/ChangeLog +++ b/gcc/c/ChangeLog @@ -1,5 +1,11 @@ 2014-10-17 Marek Polacek <polacek@redhat.com> + PR c/63549 + * c-typeck.c (build_array_ref): Bail if the index in an incomplete + type. + +2014-10-17 Marek Polacek <polacek@redhat.com> + * c-decl.c (grokdeclarator): Use OPT_Wimplicit_int unconditionally. (start_function): Use OPT_Wimplicit_int instead of 0. (store_parm_decls_oldstyle): Likewise. diff --git a/gcc/c/c-typeck.c b/gcc/c/c-typeck.c index 5c0697a..1e971c1 100644 --- a/gcc/c/c-typeck.c +++ b/gcc/c/c-typeck.c @@ -2478,6 +2478,8 @@ build_array_ref (location_t loc, tree array, tree index) /* Apply default promotions *after* noticing character types. */ index = default_conversion (index); + if (index == error_mark_node) + return error_mark_node; gcc_assert (TREE_CODE (TREE_TYPE (index)) == INTEGER_TYPE); |