diff --git a/src/compiler/diagnosticMessages.json b/src/compiler/diagnosticMessages.json
index 509d8c04dae..0918f527894 100644
--- a/src/compiler/diagnosticMessages.json
+++ b/src/compiler/diagnosticMessages.json
@@ -851,10 +851,14 @@
         "category": "Error",
         "code": 1317
     },
-    "A default export can only be used in an ECMAScript-style module.": {
+    "An abstract accessor cannot have an implementation.": {
         "category": "Error",
         "code": 1318
     },
+    "A default export can only be used in an ECMAScript-style module.": {
+        "category": "Error",
+        "code": 1319
+    },
     "Duplicate identifier '{0}'.": {
         "category": "Error",
         "code": 2300
@@ -1027,6 +1031,10 @@
         "category": "Error",
         "code": 2342
     },
+    "This syntax requires an imported helper named '{1}', but module '{0}' has no exported member '{1}'.": {
+        "category": "Error",
+        "code": 2343
+    },
     "Type '{0}' does not satisfy the constraint '{1}'.": {
         "category": "Error",
         "code": 2344
@@ -1067,6 +1075,10 @@
         "category": "Error",
         "code": 2353
     },
+    "This syntax requires an imported helper but module '{0}' cannot be found.": {
+        "category": "Error",
+        "code": 2354
+    },
     "A function whose declared type is neither 'void' nor 'any' must return a value.": {
         "category": "Error",
         "code": 2355
@@ -1999,6 +2011,10 @@
         "category": "Error",
         "code": 2701
     },
+    "'{0}' only refers to a type, but is being used as a namespace here.": {
+        "category": "Error",
+        "code": 2702
+    },
 
     "Import declaration '{0}' is using private name '{1}'.": {
         "category": "Error",
@@ -2288,6 +2304,14 @@
         "category": "Message",
         "code": 4090
     },
+    "Parameter '{0}' of index signature from exported interface has or is using name '{1}' from private module '{2}'.": {
+        "category": "Error",
+        "code": 4091
+    },
+    "Parameter '{0}' of index signature from exported interface has or is using private name '{1}'.": {
+        "category": "Error",
+        "code": 4092
+    },
 
     "The current host does not support the '{0}' option.": {
         "category": "Error",
@@ -2453,7 +2477,7 @@
         "category": "Message",
         "code": 6012
     },
-    "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES2015'": {
+    "Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'": {
         "category": "Message",
         "code": 6015
     },
@@ -3145,6 +3169,10 @@
         "category": "Error",
         "code": 17010
     },
+    "'super' must be called before accessing a property of 'super' in the constructor of a derived class.": {
+        "category": "Error",
+        "code": 17011
+    },
 
     "Circularity detected while resolving configuration: {0}": {
         "category": "Error",