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| author | Richard Kenner <kenner@gcc.gnu.org> | 1996-10-21 07:59:10 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1996-10-21 07:59:10 -0400 |
| commit | aed11452282b9f1f0f2f18c7656e17cbb5955d94 (patch) | |
| tree | b7223d9ae09edace4425219de78ab64bc85794da | |
| parent | 04d23d7c9f04fd64de62c839e63426760254df68 (diff) | |
| download | gcc-aed11452282b9f1f0f2f18c7656e17cbb5955d94.zip gcc-aed11452282b9f1f0f2f18c7656e17cbb5955d94.tar.gz gcc-aed11452282b9f1f0f2f18c7656e17cbb5955d94.tar.bz2 | |
(build_array_ref): If -Wchar-subscripts, also warn in case when
pointer is being indexed.
From-SVN: r12983
| -rw-r--r-- | gcc/c-typeck.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c index ec26185..9a0030d 100644 --- a/gcc/c-typeck.c +++ b/gcc/c-typeck.c @@ -1451,6 +1451,14 @@ build_array_ref (array, index) tree ar = default_conversion (array); tree ind = default_conversion (index); + /* Do the same warning check as above, but only on the part that's + syntactically the index and only if it is also semantically + the index. */ + if (warn_char_subscripts + && TREE_CODE (TREE_TYPE (index)) == INTEGER_TYPE + && TYPE_MAIN_VARIANT (TREE_TYPE (index)) == char_type_node) + warning ("subscript has type `char'"); + /* Put the integer in IND to simplify error checking. */ if (TREE_CODE (TREE_TYPE (ar)) == INTEGER_TYPE) { |