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author | Richard Stallman <rms@gnu.org> | 1993-03-16 04:53:55 +0000 |
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committer | Richard Stallman <rms@gnu.org> | 1993-03-16 04:53:55 +0000 |
commit | 1a6603daede2865e5ffc12f493df87ff834cc292 (patch) | |
tree | d7519e860d9ed15038ea330cbff0ad8284b1d624 /gcc | |
parent | d50c1d49cfa0861e9f1119390ee9a1de131500e2 (diff) | |
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(grokdeclarator): Error for div by 0 in array size.
From-SVN: r3753
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/c-decl.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index e9b722d..8084459 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -4087,7 +4087,12 @@ grokdeclarator (declarator, declspecs, decl_context, initialized) else { if (pedantic) - pedwarn ("ANSI C forbids variable-size array `%s'", name); + { + if (TREE_CONSTANT (size)) + pedwarn ("ANSI C forbids array `%s' whose size can't be evaluated", name); + else + pedwarn ("ANSI C forbids variable-size array `%s'", name); + } itype = build_binary_op (MINUS_EXPR, size, integer_one_node, 1); /* Make sure the array size remains visibly nonconstant |