parser: fix expected type enum error pos (#7265)

vlib/v/parser/parser.v

@@ -1448,11 +1448,12 @@ fn (mut p Parser) dot_expr(left ast.Expr) ast.Expr {
 // `.green`
 // `pref.BuildMode.default_mode`
 fn (mut p Parser) enum_val() ast.EnumVal {
+	start_pos := p.tok.position()
 	p.check(.dot)
 	val := p.check_name()
 	return ast.EnumVal{
 		val: val
-		pos: p.tok.position()
+		pos: start_pos.extend(p.prev_tok.position())
 	}
 }
 

vlib/v/parser/tests/expected_type_enum_err.out

@@ -0,0 +1,6 @@
+vlib/v/parser/tests/expected_type_enum_err.vv:6:12: error: expected type is not an enum (`rune`)
+    4 |
+    5 | fn main() {
+    6 |     if `c` == .bar {}
+      |               ~~~~
+    7 | }

vlib/v/parser/tests/expected_type_enum_err.vv

@@ -0,0 +1,7 @@
+module main
+
+enum Test { bar }
+
+fn main() {
+	if `c` == .bar {}
+}