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| author | Richard Biener <rguenther@suse.de> | 2019-07-10 13:24:32 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-07-10 13:24:32 +0000 |
| commit | 8389386c6d55d57afc3ae01f71546ac4468f7926 (patch) | |
| tree | 3c0df90f570091edafcdd5fb8f152cfb54ee4388 /gcc/c/gimple-parser.c | |
| parent | f861d731ca497443702f78b78d5090063c17539d (diff) | |
| download | gcc-8389386c6d55d57afc3ae01f71546ac4468f7926.zip gcc-8389386c6d55d57afc3ae01f71546ac4468f7926.tar.gz gcc-8389386c6d55d57afc3ae01f71546ac4468f7926.tar.bz2 | |
gimple-parser.c (c_parser_gimple_postfix_expression): Support _Literal (int *) &x for address literals.
2019-07-10 Richard Biener <rguenther@suse.de>
c/
* gimple-parser.c (c_parser_gimple_postfix_expression): Support
_Literal (int *) &x for address literals.
* tree-ssa-sccvn.c (vn_reference_lookup_3): Look at valueized
LHS whenever possible.
* gcc.dg/torture/ssa-fre-5.c: New testcase.
* gcc.dg/torture/ssa-fre-6.c: Likewise.
* gcc.dg/torture/ssa-fre-7.c: Likewise.
From-SVN: r273354
Diffstat (limited to 'gcc/c/gimple-parser.c')
| -rw-r--r-- | gcc/c/gimple-parser.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/c/gimple-parser.c b/gcc/c/gimple-parser.c index 9a65394..a0ea721 100644 --- a/gcc/c/gimple-parser.c +++ b/gcc/c/gimple-parser.c @@ -1606,8 +1606,10 @@ c_parser_gimple_postfix_expression (gimple_parser &parser) tree val = c_parser_gimple_postfix_expression (parser).value; if (! val || val == error_mark_node - || ! CONSTANT_CLASS_P (val) - || (addr_p && TREE_CODE (val) != STRING_CST)) + || (!CONSTANT_CLASS_P (val) + && !(addr_p + && (TREE_CODE (val) == STRING_CST + || DECL_P (val))))) { c_parser_error (parser, "invalid _Literal"); return expr; |