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| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-05-11 18:48:51 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-05-11 18:48:51 -0400 |
| commit | 868fc7506b9b9824de70612823e7dff108001506 (patch) | |
| tree | 50c4e512889fcd9f78b89d82f77dee8f86a04422 /gcc/c-common.c | |
| parent | 5be1df77c9a811517d0d7af71467c6fba1267909 (diff) | |
| download | gcc-868fc7506b9b9824de70612823e7dff108001506.tar.gz | |
(convert_and_check): Don't diagnose overflow in constant expression
merely because conversion overflowed.
From-SVN: r9626
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index 4f5ce82410c..fc368c8a53d 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -1369,6 +1369,10 @@ convert_and_check (type, expr) { TREE_OVERFLOW (t) = 0; + /* Do not diagnose overflow in a constant expression merely + because a conversion overflowed. */ + TREE_CONSTANT_OVERFLOW (t) = TREE_CONSTANT_OVERFLOW (expr); + /* No warning for converting 0x80000000 to int. */ if (!(TREE_UNSIGNED (type) < TREE_UNSIGNED (TREE_TYPE (expr)) && TREE_CODE (TREE_TYPE (expr)) == INTEGER_TYPE |