diff options
Diffstat (limited to 'gcc/stmt.c')
| -rw-r--r-- | gcc/stmt.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/gcc/stmt.c b/gcc/stmt.c index bc1e6ba6dd2..b7a2c52f43c 100644 --- a/gcc/stmt.c +++ b/gcc/stmt.c @@ -445,6 +445,12 @@ struct label_chain struct label_chain *next; tree label; }; + + +/* Non-zero if we are using EH to handle cleanus. */ +static int using_eh_for_cleanups_p = 0; + + static void expand_goto_internal PROTO((tree, rtx, rtx)); static void bc_expand_goto_internal PROTO((enum bytecode_opcode, struct bc_label *, tree)); @@ -489,6 +495,12 @@ extern rtx bc_allocate_local (); extern rtx bc_allocate_variable_array (); void +using_eh_for_cleanups () +{ + using_eh_for_cleanups_p = 1; +} + +void init_stmt () { gcc_obstack_init (&stmt_obstack); @@ -2855,6 +2867,10 @@ expand_return (retval) expand_value_return (const0_rtx); return; } + break; + + default: + break; } } #endif /* HAVE_return */ @@ -3260,7 +3276,8 @@ 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 - && ! DECL_IN_SYSTEM_HEADER (decl)) + && ! DECL_IN_SYSTEM_HEADER (decl) + && DECL_NAME (decl) && ! DECL_ARTIFICIAL (decl)) warning_with_decl (decl, "unused variable `%s'"); if (thisblock->exit_label) @@ -3972,7 +3989,8 @@ expand_decl_cleanup (decl, cleanup) /* If this was optimized so that there is no exception region for the cleanup, then mark the TREE_LIST node, so that we can later tell if we need to call expand_eh_region_end. */ - if (expand_eh_region_start_tree (decl, cleanup)) + if (! using_eh_for_cleanups_p + || expand_eh_region_start_tree (decl, cleanup)) TREE_ADDRESSABLE (t) = 1; if (cond_context) |