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| author | Andrew Cagney <cagney@gcc.gnu.org> | 2000-05-17 08:15:29 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@gcc.gnu.org> | 2000-05-17 08:15:29 +0000 |
| commit | 078721e1a2e6f361f4c7ed6b9017b6fb0d7211a1 (patch) | |
| tree | 2543ce057f160b4e63e78f64be913189cbabb8e5 /gcc/cp/typeck.c | |
| parent | ef94b7f541f59ed3d9f5953a86e026cb217615b6 (diff) | |
| download | gcc-078721e1a2e6f361f4c7ed6b9017b6fb0d7211a1.zip gcc-078721e1a2e6f361f4c7ed6b9017b6fb0d7211a1.tar.gz gcc-078721e1a2e6f361f4c7ed6b9017b6fb0d7211a1.tar.bz2 | |
Add options -Wunused-variable, -Wunused-function, -Wunused-label,
-Wunused-parameter. Retain existing -Wunused behavour. Document.
From-SVN: r33953
Diffstat (limited to 'gcc/cp/typeck.c')
| -rw-r--r-- | gcc/cp/typeck.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c index 671a666..45c14453 100644 --- a/gcc/cp/typeck.c +++ b/gcc/cp/typeck.c @@ -5058,13 +5058,13 @@ build_x_compound_expr (list) /* the left-hand operand of a comma expression is like an expression statement: we should warn if it doesn't have any side-effects, unless it was explicitly cast to (void). */ - if ((extra_warnings || warn_unused) + if ((extra_warnings || warn_unused_value) && !(TREE_CODE (TREE_VALUE(list)) == CONVERT_EXPR && TREE_TYPE (TREE_VALUE(list)) == void_type_node)) warning("left-hand operand of comma expression has no effect"); } #if 0 /* this requires a gcc backend patch to export warn_if_unused_value */ - else if (warn_unused) + else if (warn_unused_value) warn_if_unused_value (TREE_VALUE(list)); #endif |