From 94b3d1a2b535da60b2803a788516197cd97516dc Mon Sep 17 00:00:00 2001
From: Alexander <alexander.tarasyuk@outlook.com>
Date: Sat, 8 Dec 2018 11:53:18 +0200
Subject: [PATCH 1/3] Allow trailing comma on tuple types

---
 src/compiler/checker.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index f76f1b318e9..4573857a003 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -23643,7 +23643,6 @@ namespace ts {
                     break;
                 }
             }
-            checkGrammarForDisallowedTrailingComma(node.elementTypes);
             forEach(node.elementTypes, checkSourceElement);
         }
 

From a92462db6cebddc0de66701c6892cd3c1428a0d2 Mon Sep 17 00:00:00 2001
From: Alexander <alexander.tarasyuk@outlook.com>
Date: Sat, 8 Dec 2018 12:06:37 +0200
Subject: [PATCH 2/3] 28893 - update baseline

---
 tests/baselines/reference/TupleType5.errors.txt | 7 -------
 1 file changed, 7 deletions(-)
 delete mode 100644 tests/baselines/reference/TupleType5.errors.txt

diff --git a/tests/baselines/reference/TupleType5.errors.txt b/tests/baselines/reference/TupleType5.errors.txt
deleted file mode 100644
index 1a6ca7f99b3..00000000000
--- a/tests/baselines/reference/TupleType5.errors.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-tests/cases/conformance/parser/ecmascript5/TupleTypes/TupleType5.ts(1,15): error TS1009: Trailing comma not allowed.
-
-
-==== tests/cases/conformance/parser/ecmascript5/TupleTypes/TupleType5.ts (1 errors) ====
-    var v: [number,]
-                  ~
-!!! error TS1009: Trailing comma not allowed.
\ No newline at end of file

From e219b17ff0dd0dd8cea0ba7cd21eec80556ce070 Mon Sep 17 00:00:00 2001
From: Alexander <alexander.tarasyuk@outlook.com>
Date: Sat, 8 Dec 2018 20:50:09 +0200
Subject: [PATCH 3/3] TupleType - add additional tests to handle error on extra
 comma

---
 tests/baselines/reference/TupleType6.errors.txt            | 7 +++++++
 tests/baselines/reference/TupleType6.js                    | 5 +++++
 tests/baselines/reference/TupleType6.symbols               | 4 ++++
 tests/baselines/reference/TupleType6.types                 | 4 ++++
 .../parser/ecmascript5/TupleTypes/TupleType6.ts            | 1 +
 5 files changed, 21 insertions(+)
 create mode 100644 tests/baselines/reference/TupleType6.errors.txt
 create mode 100644 tests/baselines/reference/TupleType6.js
 create mode 100644 tests/baselines/reference/TupleType6.symbols
 create mode 100644 tests/baselines/reference/TupleType6.types
 create mode 100644 tests/cases/conformance/parser/ecmascript5/TupleTypes/TupleType6.ts

diff --git a/tests/baselines/reference/TupleType6.errors.txt b/tests/baselines/reference/TupleType6.errors.txt
new file mode 100644
index 00000000000..1c3427b8f38
--- /dev/null
+++ b/tests/baselines/reference/TupleType6.errors.txt
@@ -0,0 +1,7 @@
+tests/cases/conformance/parser/ecmascript5/TupleTypes/TupleType6.ts(1,16): error TS1110: Type expected.
+
+
+==== tests/cases/conformance/parser/ecmascript5/TupleTypes/TupleType6.ts (1 errors) ====
+    var v: [number,,]
+                   ~
+!!! error TS1110: Type expected.
\ No newline at end of file
diff --git a/tests/baselines/reference/TupleType6.js b/tests/baselines/reference/TupleType6.js
new file mode 100644
index 00000000000..828d90a72bf
--- /dev/null
+++ b/tests/baselines/reference/TupleType6.js
@@ -0,0 +1,5 @@
+//// [TupleType6.ts]
+var v: [number,,]
+
+//// [TupleType6.js]
+var v;
diff --git a/tests/baselines/reference/TupleType6.symbols b/tests/baselines/reference/TupleType6.symbols
new file mode 100644
index 00000000000..b02a0d6eb5e
--- /dev/null
+++ b/tests/baselines/reference/TupleType6.symbols
@@ -0,0 +1,4 @@
+=== tests/cases/conformance/parser/ecmascript5/TupleTypes/TupleType6.ts ===
+var v: [number,,]
+>v : Symbol(v, Decl(TupleType6.ts, 0, 3))
+
diff --git a/tests/baselines/reference/TupleType6.types b/tests/baselines/reference/TupleType6.types
new file mode 100644
index 00000000000..a5f9c5e59eb
--- /dev/null
+++ b/tests/baselines/reference/TupleType6.types
@@ -0,0 +1,4 @@
+=== tests/cases/conformance/parser/ecmascript5/TupleTypes/TupleType6.ts ===
+var v: [number,,]
+>v : [number, any]
+
diff --git a/tests/cases/conformance/parser/ecmascript5/TupleTypes/TupleType6.ts b/tests/cases/conformance/parser/ecmascript5/TupleTypes/TupleType6.ts
new file mode 100644
index 00000000000..50cca65c6dc
--- /dev/null
+++ b/tests/cases/conformance/parser/ecmascript5/TupleTypes/TupleType6.ts
@@ -0,0 +1 @@
+var v: [number,,]
\ No newline at end of file