Fix yield statements to allow unpacking without parenthesis.

dacut · jChapman · commit 02bd4f031372 · 2018-09-15T21:22:00.000-04:00
diff --git a/Grammar/Grammar b/Grammar/Grammar
@@ -147,4 +147,4 @@ comp_if: 'if' test_nocond [comp_iter]
 encoding_decl: NAME
 
 yield_expr: 'yield' [yield_arg]
-yield_arg: 'from' test | testlist
+yield_arg: 'from' test | testlist_star_expr
diff --git a/Python/graminit.c b/Python/graminit.c
@@ -1900,7 +1900,7 @@ static state states_85[3] = {
 };
 static arc arcs_86_0[2] = {
     {77, 1},
-    {9, 2},
+    {47, 2},
 };
 static arc arcs_86_1[1] = {
     {26, 2},
@@ -2087,7 +2087,7 @@ static dfa dfas[87] = {
     {341, "yield_expr", 0, 3, states_85,
      "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\200\000"},
     {342, "yield_arg", 0, 3, states_86,
-     "\000\040\200\000\000\000\000\000\000\040\010\000\000\000\020\002\000\300\220\050\037\000\000"},
+     "\000\040\200\000\002\000\000\000\000\040\010\000\000\000\020\002\000\300\220\050\037\000\000"},
 };
 static label labels[177] = {
     {0, "EMPTY"},
