Update the D grammar

Author: tim-dlang

.github/workflows/tests.yml

@@ -54,7 +54,7 @@ jobs:
       with:
         path: dmd
         repository: dlang/dmd
-        ref: 83adb8aeab12ef7902eefae81223fdd300cfc1e0
+        ref: 8c64740e6e1987357d1844e333fe64a04c227055
         persist-credentials: false
 
     - name: Checkout JSONTestSuite

examples/d/grammard.ebnf

@@ -1,4 +1,4 @@
-// Based on grammar from dlang.org commit 2c3088b5b6c1f35dfb3a0b2a37d4a0fe891d4350
+// Based on grammar from dlang.org commit 8501a0e5faf73a4e211a21d61333bb0de40de965
 
 import "grammardlex.ebnf";
 SourceFile @start
@@ -374,8 +374,8 @@ FunctionLiteral @directUnwrap
     | <FunctionLiteralParen
     ;
 FunctionLiteralNoParen @directUnwrap
-    = "function" RefOrAutoRef? Type? ParameterWithAttributes? FunctionLiteralBody2
-    | "delegate" RefOrAutoRef? Type? ParameterWithMemberAttributes? FunctionLiteralBody2
+    = "function" RefOrAutoRef? PostfixType? ParameterWithAttributes? FunctionLiteralBody2
+    | "delegate" RefOrAutoRef? PostfixType? ParameterWithMemberAttributes? FunctionLiteralBody2
     | RefOrAutoRef ParameterWithMemberAttributes FunctionLiteralBody2
     | <BlockStatement // <FunctionLiteralBody
     | Identifier "=>" @eager AssignExpression
@@ -1810,6 +1810,7 @@ TemplateMixinDeclaration
     ;
 TemplateMixin
     = AttributesNoPragmaEmpty "mixin" MixinTemplateName /* TemplateArguments? */ Identifier? ";"
+    | AttributesNoPragmaEmpty "mixin" Identifier "=" MixinTemplateName /* TemplateArguments? */ ";"
     ;
 MixinTemplateName
     = "." MixinQualifiedIdentifier

examples/d/grammardlex.ebnf

@@ -1,4 +1,4 @@
-// Based on grammar from dlang.org commit 2c3088b5b6c1f35dfb3a0b2a37d4a0fe891d4350
+// Based on grammar from dlang.org commit 8501a0e5faf73a4e211a21d61333bb0de40de965
 
 token ByteOrderMark
     = "\uFEFF"