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| author | Richard Stallman <rms@gnu.org> | 1992-08-18 21:13:10 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1992-08-18 21:13:10 +0000 |
| commit | 7e70e7c5a6f10e856effe52c1b6e1e67d2759340 (patch) | |
| tree | 1740284f97c312a8ca7f44e32047cb3b116ed850 | |
| parent | ceedd25ef0cdca80e585b0d542cbe45e754c0efd (diff) | |
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(expand_return): Call emit_queue in ignore-the-value case.
(expand_end_bindings): Check DECL_IN_SYSTEM_HEADER for unused warnings.
From-SVN: r1889
| -rw-r--r-- | gcc/stmt.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -2185,6 +2185,7 @@ expand_return (retval) if (TREE_CODE (TREE_TYPE (TREE_TYPE (current_function_decl))) == VOID_TYPE) { expand_expr (retval, NULL_RTX, VOIDmode, 0); + emit_queue (); expand_null_return (); return; } @@ -2476,7 +2477,8 @@ expand_end_bindings (vars, mark_ends, dont_jump_in) if (warn_unused) for (decl = vars; decl; decl = TREE_CHAIN (decl)) - if (! TREE_USED (decl) && TREE_CODE (decl) == VAR_DECL) + if (! TREE_USED (decl) && TREE_CODE (decl) == VAR_DECL + && ! DECL_IN_SYSTEM_HEADER (decl)) warning_with_decl (decl, "unused variable `%s'"); /* Mark the beginning and end of the scope if requested. */ |