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| author | Jakub Jelinek <jakub@redhat.com> | 2010-06-05 16:49:16 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-06-05 16:49:16 +0200 |
| commit | 82c3c067975d090a1b7f9921235ec100f737c95f (patch) | |
| tree | eb4ca6c522e22367819f9b64abc3885b7bbafe6b /gcc/c-typeck.c | |
| parent | 9f7b464b44cb23e0a7ede9748c89b5021100f6e1 (diff) | |
| download | gcc-82c3c067975d090a1b7f9921235ec100f737c95f.tar.gz | |
re PR c++/44361 (-Wunused-but-set-variable vs. explicit void cast)
PR c++/44361
* c-typeck.c (mark_exp_read): Handle C_MAYBE_CONST_EXPR.
* c-parser.c (c_parser_postfix_expression): Call mark_exp_read on
statement expression.
* c-c++-common/Wunused-var-9.c: New test.
From-SVN: r160317
Diffstat (limited to 'gcc/c-typeck.c')
| -rw-r--r-- | gcc/c-typeck.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c index 5a291de497f..103272c2368 100644 --- a/gcc/c-typeck.c +++ b/gcc/c-typeck.c @@ -1841,6 +1841,7 @@ mark_exp_read (tree exp) mark_exp_read (TREE_OPERAND (exp, 0)); break; case COMPOUND_EXPR: + case C_MAYBE_CONST_EXPR: mark_exp_read (TREE_OPERAND (exp, 1)); break; default: |