I'll fix the paths and whitespace before pushing, but can someone review
this rough draft patch.
test.cxx
-----------
static void foo() {}
int main() {
try {
}
catch(...) {
foo();
}
return 0;
}
------------------
diff --git a/GCC/gcc/passes.c b/GCC/gcc/passes.c
index b533607..ae41901 100644
--- a/GCC/gcc/passes.c
+++ b/GCC/gcc/passes.c
@@ -472,7 +472,7 @@ init_optimization_passes (void)
/* All passes needed to lower the function into shape optimizers can
operate on. */
p = &all_lowering_passes;
- NEXT_PASS (pass_remove_useless_stmts);
+
NEXT_PASS (pass_mudflap_1);
NEXT_PASS (pass_lower_omp);
NEXT_PASS (pass_lower_cf);
diff --git a/GCC/gcc/tree-cfg.c b/GCC/gcc/tree-cfg.c
index b280027..59a84ea 100644
--- a/GCC/gcc/tree-cfg.c
+++ b/GCC/gcc/tree-cfg.c
@@ -602,7 +602,7 @@ make_edges (void)
fold_cond_expr_cond ();
/* Clean up the graph and warn for unreachable code. */
- cleanup_tree_cfg ();
+
}
diff --git a/GCC/gcc/tree-eh.c b/GCC/gcc/tree-eh.c
index d14e1ee..f17cce1 100644
--- a/GCC/gcc/tree-eh.c
+++ b/GCC/gcc/tree-eh.c
@@ -1372,7 +1372,7 @@ lower_try_finally (struct leh_state *state, tree *tp)
/* Determine if any exceptions are possible within the try block. */
if (using_eh_for_cleanups_p)
- this_tf.may_throw = get_eh_region_may_contain_throw (this_tf.region);
+ this_tf.may_throw = true;
if (this_tf.may_throw)
{
this_tf.eh_label = create_artificial_label ();
@@ -1445,12 +1445,6 @@ lower_catch (struct leh_state *state, tree *tp)
lower_eh_constructs_1 (&this_state, &TREE_OPERAND (*tp, 0));
- if (!get_eh_region_may_contain_throw (try_region))
- {
- *tp = TREE_OPERAND (*tp, 0);
- return;
- }
-
out_label = NULL;
for (i = tsi_start (TREE_OPERAND (*tp, 1)); !tsi_end_p (i); )
{
@@ -1512,12 +1506,6 @@ lower_eh_filter (struct leh_state *state, tree *tp)
lower_eh_constructs_1 (&this_state, &TREE_OPERAND (*tp, 0));
- if (!get_eh_region_may_contain_throw (this_region))
- {
- *tp = TREE_OPERAND (*tp, 0);
- return;
- }
-
lower_eh_constructs_1 (state, &EH_FILTER_FAILURE (inner));
TREE_OPERAND (*tp, 1) = EH_FILTER_FAILURE (inner);
@@ -1551,12 +1539,6 @@ lower_cleanup (struct leh_state *state, tree *tp)
lower_eh_constructs_1 (&this_state, &TREE_OPERAND (*tp, 0));
- if (!get_eh_region_may_contain_throw (this_region))
- {
- *tp = TREE_OPERAND (*tp, 0);
- return;
- }
-
/* Build enough of a try-finally state so that we can reuse
honor_protect_cleanup_actions. */
memset (&fake_tf, 0, sizeof (fake_tf));
------------------------------------------------------------------------------
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