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| author | Richard Kenner <kenner@gcc.gnu.org> | 1996-01-15 07:36:59 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1996-01-15 07:36:59 -0500 |
| commit | ec9aa8950139f60e9dd6eb65f566a3fd94b4041b (patch) | |
| tree | a35b23f57ba5b78c2a22674d0806cf3d62317dad /gcc | |
| parent | bd5f6d441a61660e8f22529802c81671922fc41b (diff) | |
| download | gcc-ec9aa8950139f60e9dd6eb65f566a3fd94b4041b.zip gcc-ec9aa8950139f60e9dd6eb65f566a3fd94b4041b.tar.gz gcc-ec9aa8950139f60e9dd6eb65f566a3fd94b4041b.tar.bz2 | |
(build_c_cast): Don't warn about alignment when we have an opaque type.
From-SVN: r10982
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/c-typeck.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c index 50fbad0..00e1466 100644 --- a/gcc/c-typeck.c +++ b/gcc/c-typeck.c @@ -3712,6 +3712,11 @@ build_c_cast (type, expr) && TREE_CODE (otype) == POINTER_TYPE && TREE_CODE (TREE_TYPE (otype)) != VOID_TYPE && TREE_CODE (TREE_TYPE (otype)) != FUNCTION_TYPE + /* Don't warn about opaque types, where the actual alignment + restriction is unknown. */ + && !((TREE_CODE (TREE_TYPE (otype)) == UNION_TYPE + || TREE_CODE (TREE_TYPE (otype)) == RECORD_TYPE) + && TYPE_MODE (TREE_TYPE (otype)) == VOIDmode) && TYPE_ALIGN (TREE_TYPE (type)) > TYPE_ALIGN (TREE_TYPE (otype))) warning ("cast increases required alignment of target type"); |