diff --git a/test/declbad.go b/test/declbad.go
index 5e5e145011..09f1dfb576 100644
--- a/test/declbad.go
+++ b/test/declbad.go
@@ -40,7 +40,7 @@ func main() {
 	{
 		// single redeclaration
 		i, f, s := f3()
-		i := f1() // ERROR "redeclared|no new|incompatible"
+		i := 1 // ERROR "redeclared|no new|incompatible"
 		_, _, _ = i, f, s
 	}
 	// double redeclaration
diff --git a/test/errchk b/test/errchk
index 8fdf77a30a..6b00570bde 100755
--- a/test/errchk
+++ b/test/errchk
@@ -88,41 +88,46 @@ sub chk {
 		$line++;
 		next if $src =~ m|////|;  # double comment disables ERROR
 		next unless $src =~ m|// (GC_)?ERROR (.*)|;
-		$regexp = $2;
-		if($regexp !~ /^"([^"]*)"/) {
+		my $all = $2;
+		if($all !~ /^"([^"]*)"/) {
 			print STDERR "$file:$line: malformed regexp\n";
 			next;
 		}
-		$regexp = $1;
-		
-		# Turn relative line number in message into absolute line number.
-		if($regexp =~ /LINE(([+-])([0-9]+))?/) {
-			my $n = $line;
-			if(defined($1)) {
-				if($2 eq "+") {
-					$n += int($3);
-				} else {
-					$n -= int($3);
-				}
-			}
-			$regexp = "$`$file:$n$'";
-		}
-
 		@errmsg = grep { /$file:$line[:[]/ } @out;
 		@out = grep { !/$file:$line[:[]/ } @out;
 		if(@errmsg == 0) {
 			bug();
-			print STDERR "errchk: $file:$line: missing expected error: '$regexp'\n";
+			print STDERR "errchk: $file:$line: missing expected error: '$all'\n";
 			next;
 		}
-		@match = grep { /$regexp/ } @errmsg;
-		if(@match == 0) {
+		foreach my $regexp ($all =~ /"([^"]*)"/g) {
+			# Turn relative line number in message into absolute line number.
+			if($regexp =~ /LINE(([+-])([0-9]+))?/) {
+				my $n = $line;
+				if(defined($1)) {
+					if($2 eq "+") {
+						$n += int($3);
+					} else {
+						$n -= int($3);
+					}
+				}
+				$regexp = "$`$file:$n$'";
+			}
+	
+			@match = grep { /$regexp/ } @errmsg;
+			if(@match == 0) {
+				bug();
+				print STDERR "errchk: $file:$line: error messages do not match '$regexp'\n";
+				next;
+			}
+			@errmsg = grep { !/$regexp/ } @errmsg;
+		}
+		if(@errmsg != 0) {
 			bug();
-			print STDERR "errchk: $file:$line: error message does not match '$regexp'\n";
+			print STDERR "errchk: $file:$line: unmatched error messages:\n";
 			foreach my $l (@errmsg) {
 				print STDERR "> $l";
 			}
-			next;
 		}
 	}
 }
diff --git a/test/fixedbugs/bug205.go b/test/fixedbugs/bug205.go
index 4262ec10dc..e12be72f92 100644
--- a/test/fixedbugs/bug205.go
+++ b/test/fixedbugs/bug205.go
@@ -12,7 +12,7 @@ var m map[string]int;
 
 func main() {
 	println(t["hi"]);	// ERROR "integer"
-	println(s["hi"]);	// ERROR "integer"
+	println(s["hi"]);	// ERROR "integer" "to type uint"
 	println(m[0]);	// ERROR "map index"
 }
 
diff --git a/test/fixedbugs/bug228.go b/test/fixedbugs/bug228.go
index 81bc908569..da335dbc05 100644
--- a/test/fixedbugs/bug228.go
+++ b/test/fixedbugs/bug228.go
@@ -8,7 +8,7 @@ package main
 
 func f(x int, y ...int)	// ok
 
-func g(x int, y float) (...)	// ERROR "[.][.][.]"
+func g(x int, y float) (...)	// ERROR "[.][.][.]" "final argument"
 
 func h(x, y ...int)		// ERROR "[.][.][.]"
 
diff --git a/test/fixedbugs/bug229.go b/test/fixedbugs/bug229.go
index fe0f0d8c75..6c9de9ba93 100644
--- a/test/fixedbugs/bug229.go
+++ b/test/fixedbugs/bug229.go
@@ -16,5 +16,5 @@ func main() {
 
 	t.ch = nil	// ERROR "unexported"
 	
-	println(testing.anyLowercaseName("asdf"))	// ERROR "unexported"
+	println(testing.anyLowercaseName("asdf"))	// ERROR "unexported" "undefined: testing.anyLowercaseName"
 }
diff --git a/test/fixedbugs/bug231.go b/test/fixedbugs/bug231.go
index 91996d313c..9500e582bb 100644
--- a/test/fixedbugs/bug231.go
+++ b/test/fixedbugs/bug231.go
@@ -17,6 +17,6 @@ func main() {
 	var i I
 	
 	i = m
-	i = t	// ERROR "not a method|has no methods"
+	i = t	// ERROR "not a method|has no methods" "does not implement I"
 	_ = i
 }
diff --git a/test/fixedbugs/bug297.go b/test/fixedbugs/bug297.go
index ba029427f2..8767cdfea5 100644
--- a/test/fixedbugs/bug297.go
+++ b/test/fixedbugs/bug297.go
@@ -11,5 +11,5 @@ package main
 type ByteSize float64
 const (
 	_ = iota;   // ignore first value by assigning to blank identifier
-	KB ByteSize = 1<<(10*X) // ERROR "undefined"
+	KB ByteSize = 1<<(10*X) // ERROR "undefined" "as type ByteSize"
 )
diff --git a/test/fixedbugs/bug351.go b/test/fixedbugs/bug351.go
index c33e28271e..2f631bbbbc 100644
--- a/test/fixedbugs/bug351.go
+++ b/test/fixedbugs/bug351.go
@@ -6,6 +6,8 @@
 
 package main
 
+var x int
+
 func main() {
 	(x) := 0  // ERROR "non-name [(]x[)]"
 }
diff --git a/test/fixedbugs/bug359.go b/test/fixedbugs/bug359.go
index 6ced608bcc..7f34672f1d 100644
--- a/test/fixedbugs/bug359.go
+++ b/test/fixedbugs/bug359.go
@@ -16,7 +16,7 @@ type Painting struct {
 }
 
 func (p Painting) Foo() {
-	for e := p.fragments; e.Front() != nil; e = e.Next() {  // ERROR "unexported field"
+	for e := p.fragments; e.Front() != nil; {  // ERROR "unexported field"
 	}
 }
 
diff --git a/test/import1.go b/test/import1.go
index 8bb2a94a24..ebd704ef99 100644
--- a/test/import1.go
+++ b/test/import1.go
@@ -9,9 +9,9 @@
 package main
 
 import "bufio"	// GCCGO_ERROR "previous|not used"
-import bufio "os"	// ERROR "redeclared|redefinition|incompatible"
+import bufio "os"	// ERROR "redeclared|redefinition|incompatible" "imported and not used"
 
 import (
 	"fmt"	// GCCGO_ERROR "previous|not used"
-	fmt "math"	// ERROR "redeclared|redefinition|incompatible"
+	fmt "math"	// ERROR "redeclared|redefinition|incompatible" "imported and not used"
 )
diff --git a/test/initializerr.go b/test/initializerr.go
index 37f8a602db..e7f8b0e92f 100644
--- a/test/initializerr.go
+++ b/test/initializerr.go
@@ -17,7 +17,7 @@ type T struct {
 var x = 1
 var a1 = S { 0, X: 1 }	// ERROR "mixture|undefined"
 var a2 = S { Y: 3, Z: 2, Y: 3 } // ERROR "duplicate"
-var a3 = T { 1, 2, 3, 4, 5, 6 }	// ERROR "convert|too many"
+var a3 = T { S{}, 2, 3, 4, 5, 6 }	// ERROR "convert|too many"
 var a4 = [5]byte{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }	// ERROR "index|too many"
 var a5 = []byte { x: 2 }	// ERROR "index"
 
diff --git a/test/interface/explicit.go b/test/interface/explicit.go
index b6a582fffb..daae59b361 100644
--- a/test/interface/explicit.go
+++ b/test/interface/explicit.go
@@ -48,7 +48,7 @@ func main() {
 	i2 = I2(i) // ERROR "invalid|missing N method"
 
 	e = E(t) // ok
-	t = T(e) // ERROR "need explicit|need type assertion|incompatible"
+	t = T(e) // ERROR "need explicit|need type assertion|incompatible" "as type [*]T"
 }
 
 type M interface {
diff --git a/test/interface/pointer.go b/test/interface/pointer.go
index 076469c8de..fe4d8e3ef9 100644
--- a/test/interface/pointer.go
+++ b/test/interface/pointer.go
@@ -33,5 +33,5 @@ func main() {
 	print("call addinst\n")
 	var x Inst = AddInst(new(Start)) // ERROR "pointer to interface"
 	print("return from  addinst\n")
-	var x *Inst = new(Start)  // ERROR "pointer to interface"
+	var y *Inst = new(Start)  // ERROR "pointer to interface"
 }
diff --git a/test/nul1.go b/test/nul1.go
index 9cf51125bc..142d4deb1f 100644
--- a/test/nul1.go
+++ b/test/nul1.go
@@ -39,7 +39,7 @@ var y = ` + "`in raw string \x00 foo`" + `  // ERROR "NUL"
 
 /* in other comment ` + "\x00" + ` */ // ERROR "NUL"
 
-/* in source code */ ` + "\x00" + `// ERROR "NUL"
+/* in source code */ ` + "\x00" + `// ERROR "NUL" "illegal character"
 
 var xx = "in string ` + "\xc2\xff" + `" // ERROR "UTF-8"
 
@@ -50,9 +50,9 @@ var yy = ` + "`in raw string \xff foo`" + `  // ERROR "UTF-8"
 /* in other comment ` + "\xe0\x00\x00" + ` */ // ERROR "UTF-8|NUL"
 
 /* in variable name */
-var z` + "\xc1\x81" + ` int // ERROR "UTF-8"
+var z` + "\xc1\x81" + ` int // ERROR "UTF-8" "invalid identifier character"
 
-/* in source code */ ` + "\xc2A" + `// ERROR "UTF-8"
+/* in source code */ ` + "var \xc2A int" + `// ERROR "UTF-8" "invalid identifier character"
 
 `)
 }
diff --git a/test/rename1.go b/test/rename1.go
index f239999986..3e78bfca0b 100644
--- a/test/rename1.go
+++ b/test/rename1.go
@@ -10,7 +10,7 @@ func main() {
 	var n byte       // ERROR "not a type|expected type"
 	var y = float(0) // ERROR "cannot call|expected function"
 	const (
-		a = 1 + iota // ERROR "string|incompatible types"
+		a = 1 + iota // ERROR "string|incompatible types" "convert iota"
 	)
 
 }
diff --git a/test/shift1.go b/test/shift1.go
index 8fa48a03cf..6a8e26e5e6 100644
--- a/test/shift1.go
+++ b/test/shift1.go
@@ -16,13 +16,13 @@ func h(x float64) int     { return 0 }
 var (
 	s uint    = 33
 	u         = 1.0 << s // ERROR "invalid operation"
-	v float32 = 1 << s   // ERROR "invalid operation"
+	v float32 = 1 << s   // ERROR "invalid operation" "as type float32"
 )
 
 // non-constant shift expressions
 var (
-	e1       = g(2.0 << s) // ERROR "invalid operation"
-	f1       = h(2 << s)   // ERROR "invalid operation"
+	e1       = g(2.0 << s) // ERROR "invalid operation" "as type interface"
+	f1       = h(2 << s)   // ERROR "invalid operation" "as type float64"
 	g1 int64 = 1.1 << s    // ERROR "truncated"
 )