Fix "declaration after code" issue.

Closes #1801

CHANGES.rst

@@ -12,6 +12,9 @@ Features added
 Bugs fixed
 ----------
 
+* Invalid C code in generators (declaration after code).
+  (Github issue #1801)
+
 * Arithmetic operations on ``const`` integer variables could generate invalid code.
   (Github issue #1798).
 

Cython/Compiler/Nodes.py

@@ -4081,7 +4081,7 @@ class GeneratorBodyDefNode(DefNode):
         profile = code.globalstate.directives['profile']
         linetrace = code.globalstate.directives['linetrace']
         if profile or linetrace:
-            code.put_trace_declarations()
+            tempvardecl_code.put_trace_declarations()
 
         # ----- Resume switch point.
         code.funcstate.init_closure_temps(lenv.scope_class.type.scope)