allow type name as key to accomodate anonymous fields.

update tests.

R=ken
OCL=29207
CL=29207

src/cmd/gc/go.y

@@ -1363,6 +1363,11 @@ keyval:
 	{
 		$$ = nod(OKEY, $1, $3);
 	}
+|	LATYPE ':' expr
+	{
+		$$ = nod(OKEY, newname($1), $3);
+	}
+
 
 /*
  * function stuff

test/golden.out

@@ -26,6 +26,10 @@ panic PC=xxx
 =========== ./helloworld.go
 hello, world
 
+=========== ./initializerr.go
+BUG: errchk: ./initializerr.go:15: missing expected error: 'duplicate'
+errchk: ./initializerr.go:17: missing expected error: 'index'
+
 =========== ./peano.go
 0! = 1
 1! = 1

test/initialize.go

@@ -21,10 +21,10 @@ var a1 = S { 0, 0, 0, 1, 2, 3 }
 var b1 = S { X: 1, Z: 3, Y: 2 }
 
 var a2 = S { 0, 0, 0, 0, 0, 0, }
-var b2 S  // = S { }  TODO(rsc): should work
+var b2 = S { }
 
 var a3 = T { S { 1, 2, 3, 0, 0, 0, } }
-var b3 = T { S { A: 1, B: 2, C: 3 } }	// TODO(rsc): s/S/S:S/
+var b3 = T { S: S{ A: 1, B: 2, C: 3 } }
 
 var a4 = &[16]byte { 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, }
 var b4 = &[16]byte { 4: 1, 1, 1, 1, 12: 1, 1, }
@@ -33,7 +33,7 @@ var a5 = &[16]byte { 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, }
 var b5 = &[16]byte { 1, 4: 1, 1, 1, 1, 12: 1, 1, }
 
 var a6 = &[16]byte { 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, }
-var b6 = &[...]byte { 1, 4: 1, 1, 1, 1, 12: 1, 1, 0, 0,}	// throws index out of range
+var b6 = &[...]byte { 1, 4: 1, 1, 1, 1, 12: 1, 1, 0, 0,}
 
 type Same struct {
 	a, b interface{}

test/initializerr.go

@@ -22,4 +22,4 @@ var a4 = [5]byte{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }	// ERROR "index"
 var a5 = []byte { x: 2 }	// ERROR "index"
 
 var ok1 = S { }	// should be ok
-var ok2 = T { S: a4 }	// should be ok
+var ok2 = T { S: ok1 }	// should be ok