/* Test: is exception handling turned on? */
extern int doing_eh (int);
-/* Start an exception handling region. All instructions emitted after
- this point are considered to be part of the region until an
- expand_eh_region_end variant is invoked. */
-extern void expand_eh_region_start (void);
-
-/* End an exception handling region for a cleanup. HANDLER is an
- expression to expand for the cleanup. */
-extern void expand_eh_region_end_cleanup (tree);
-
-/* End an exception handling region for a try block, and prepares
- for subsequent calls to expand_start_catch. */
-extern void expand_start_all_catch (void);
-
-/* Begin a catch clause. TYPE is an object to be matched by the
- runtime, or a list of such objects, or null if this is a catch-all
- clause. */
-extern void expand_start_catch (tree);
-
-/* End a catch clause. Control will resume after the try/catch block. */
-extern void expand_end_catch (void);
-
-/* End a sequence of catch handlers for a try block. */
-extern void expand_end_all_catch (void);
-
-/* End an exception region for an exception type filter. ALLOWED is a
- TREE_LIST of TREE_VALUE objects to be matched by the runtime.
- FAILURE is a function to invoke if a mismatch occurs. */
-extern void expand_eh_region_end_allowed (tree, tree);
-
-/* End an exception region for a must-not-throw filter. FAILURE is a
- function to invoke if an uncaught exception propagates this far. */
-extern void expand_eh_region_end_must_not_throw (tree);
-
-/* End an exception region for a throw. No handling goes on here,
- but it's the easiest way for the front-end to indicate what type
- is being thrown. */
-extern void expand_eh_region_end_throw (tree);
-
-/* End a fixup region. Within this region the cleanups for the immediately
- enclosing region are _not_ run. This is used for goto cleanup to avoid
- destroying an object twice. */
-extern void expand_eh_region_end_fixup (tree);
-
-/* End some sort of EH region, depending on the argument. */
-extern void expand_eh_handler (tree);
-
/* Note that the current EH region (if any) may contain a throw, or a
call to a function which itself may contain a throw. */
extern void note_eh_region_may_contain_throw (struct eh_region *);
extern bool can_throw_external_1 (int);
extern bool can_throw_external (rtx);
-/* Set current_function_nothrow and cfun->all_throwers_are_sibcalls. */
+/* Set TREE_NOTHROW and cfun->all_throwers_are_sibcalls. */
extern void set_nothrow_function_flags (void);
/* After initial rtl generation, call back to finish generating