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| author | Marek Polacek <polacek@redhat.com> | 2015-02-14 11:25:19 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2015-02-14 11:25:19 +0000 |
| commit | 065d214ce4129853330cb0c992b981830c950909 (patch) | |
| tree | 577ba5fb4fedac8f082c3b7d52e8e3fe27c2e462 /gcc/c/c-decl.c | |
| parent | 952e216e5a092b5072894b3889f18bc5f76dcf72 (diff) | |
| download | gcc-065d214ce4129853330cb0c992b981830c950909.zip gcc-065d214ce4129853330cb0c992b981830c950909.tar.gz gcc-065d214ce4129853330cb0c992b981830c950909.tar.bz2 | |
re PR c/64768 (internal compiler error: tree check: expected tree that contains ‘decl with RTL’ structure, have ‘field_decl’ in set_decl_rtl, at emit-rtl.c:1274)
PR c/64768
* c-decl.c (grokdeclarator): Set the range of a flexible array member
declared through a typedef name.
* gcc.dg/array-11.c: New test.
* gcc.dg/array-12.c: New test.
* gcc.dg/array-13.c: New test.
* gcc.dg/array-14.c: New test.
* gcc.dg/c99-flex-array-typedef-1.c: New test.
* gcc.dg/c99-flex-array-typedef-2.c: New test.
* gcc.dg/c99-flex-array-typedef-3.c: New test.
* gcc.dg/c99-flex-array-typedef-5.c: New test.
* gcc.dg/c99-flex-array-typedef-7.c: New test.
* gcc.dg/c99-flex-array-typedef-8.c: New test.
From-SVN: r220708
Diffstat (limited to 'gcc/c/c-decl.c')
| -rw-r--r-- | gcc/c/c-decl.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c index 4fd3239..8eeee9c 100644 --- a/gcc/c/c-decl.c +++ b/gcc/c/c-decl.c @@ -6515,6 +6515,19 @@ grokdeclarator (const struct c_declarator *declarator, error_at (loc, "unnamed field has incomplete type"); type = error_mark_node; } + else if (TREE_CODE (type) == ARRAY_TYPE + && TYPE_DOMAIN (type) == NULL_TREE) + { + /* We have a flexible array member through a typedef. + Set suitable range. Whether this is a correct position + for a flexible array member will be determined elsewhere. */ + if (!in_system_header_at (input_location)) + pedwarn_c90 (loc, OPT_Wpedantic, "ISO C90 does not " + "support flexible array members"); + type = build_distinct_type_copy (TYPE_MAIN_VARIANT (type)); + TYPE_DOMAIN (type) = build_range_type (sizetype, size_zero_node, + NULL_TREE); + } type = c_build_qualified_type (type, type_quals); decl = build_decl (declarator->id_loc, FIELD_DECL, declarator->u.id, type); |