Make "break" outside of loops a syntax error also inside of try-except blocks.

Closes #1726.

Cython/Compiler/Nodes.py

@@ -5508,6 +5508,7 @@ class IndirectionNode(StatListNode):
     def __init__(self, stats):
         super(IndirectionNode, self).__init__(stats[0].pos, stats=stats)
 
+
 class BreakStatNode(StatNode):
 
     child_attrs = []
@@ -6684,8 +6685,8 @@ class TryExceptStatNode(StatNode):
         except_error_label = code.new_label('except_error')
         except_return_label = code.new_label('except_return')
         try_return_label = code.new_label('try_return')
-        try_break_label = code.new_label('try_break')
-        try_continue_label = code.new_label('try_continue')
+        try_break_label = code.new_label('try_break') if old_break_label else None
+        try_continue_label = code.new_label('try_continue') if old_continue_label else None
         try_end_label = code.new_label('try_end')
 
         exc_save_vars = [code.funcstate.allocate_temp(py_object_type, False)

tests/errors/break_outside_loop.pyx

@@ -27,12 +27,33 @@ def bool_result():
     return True
 
 
+def break_after_loop():
+    for _ in range(2):
+        pass
+
+    if bool_result():
+        break
+
+    try:
+        if bool_result():
+            break
+    except Exception:
+        pass
+
+    if bool_result():
+        break
+
+
 _ERRORS = u'''
 4:0: break statement not inside loop
 7:4: break statement not inside loop
 10:4: break statement not inside loop
 13:4: break statement not inside loop
+15:5: break statement not inside loop
 18:5: break statement not inside loop
 22:4: break statement not inside loop
 24:4: break statement not inside loop
+35:8: break statement not inside loop
+39:12: break statement not inside loop
+44:8: break statement not inside loop
 '''