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| author | Marek Polacek <polacek@redhat.com> | 2016-01-14 17:46:25 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2016-01-14 17:46:25 +0000 |
| commit | 00083992a68feb592575464d5be98e281e8a2d8e (patch) | |
| tree | 44475bf14edc93f3701ba4991f7db8a51048cc53 /gcc/c | |
| parent | b56ed680d4715cfc3cf2c4940aef30daec124a41 (diff) | |
| download | gcc-00083992a68feb592575464d5be98e281e8a2d8e.zip gcc-00083992a68feb592575464d5be98e281e8a2d8e.tar.gz gcc-00083992a68feb592575464d5be98e281e8a2d8e.tar.bz2 | |
re PR c/69262 (Request for better array bounds warning)
PR c/69262
* c-decl.c (grokdeclarator): Provide more information for invalid
array declarations.
* gcc.dg/array-15.c: New test.
From-SVN: r232376
Diffstat (limited to 'gcc/c')
| -rw-r--r-- | gcc/c/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/c/c-decl.c | 12 |
2 files changed, 18 insertions, 0 deletions
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog index f8bac2d..3f40b03 100644 --- a/gcc/c/ChangeLog +++ b/gcc/c/ChangeLog @@ -1,3 +1,9 @@ +2016-01-14 Marek Polacek <polacek@redhat.com> + + PR c/69262 + * c-decl.c (grokdeclarator): Provide more information for invalid + array declarations. + 2016-01-06 David Malcolm <dmalcolm@redhat.com> * c-parser.c (c_parser_unary_expression): For dereferences, build diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c index 915376d..5830e22 100644 --- a/gcc/c/c-decl.c +++ b/gcc/c/c-decl.c @@ -5951,6 +5951,18 @@ grokdeclarator (const struct c_declarator *declarator, { error_at (loc, "array type has incomplete element type %qT", type); + /* See if we can be more helpful. */ + if (TREE_CODE (type) == ARRAY_TYPE) + { + if (name) + inform (loc, "declaration of %qE as multidimensional " + "array must have bounds for all dimensions " + "except the first", name); + else + inform (loc, "declaration of multidimensional array " + "must have bounds for all dimensions except " + "the first"); + } type = error_mark_node; } else |