test inline expression parse errors

compiler/parse/index.js

@@ -51,7 +51,7 @@ export default function parse ( template ) {
 		},
 
 		acornError ( err ) {
-			parser.error( err.message.replace( /\(\d+:\d+\)$/, '' ), err.pos );
+			parser.error( err.message.replace( / \(\d+:\d+\)$/, '' ), err.pos );
 		},
 
 		error ( message, index = this.index ) {

test/parser/error-illegal-expression/error.json

@@ -0,0 +1,8 @@
+{
+	"message": "Assigning to rvalue",
+	"loc": {
+		"line": 1,
+		"column": 2
+	},
+	"pos": 2
+}

test/parser/error-illegal-expression/input.html

@@ -0,0 +1 @@
+{{42 = nope}}

test/parser/error-unexpected-end-of-input/error.json

@@ -1,8 +1,8 @@
 {
 	"message": "Unexpected end of input",
 	"loc": {
-		"line": 1,
+		"line": 2,
-		"column": 5
+		"column": 0
 	},
-	"pos": 5
+	"pos": 6
 }