Bump the yacc pointer.

Use the newer yacc to re-generate the sql grammar.

Fixes #1801.

GLOCKFILE

@@ -14,7 +14,7 @@ github.com/cockroachdb/c-lz4 6e71f140a365017bbe0904710007f8725fd3f809
 github.com/cockroachdb/c-protobuf 0f9ab7b988ca7474cf76b9a961ab03c0552abcb3
 github.com/cockroachdb/c-rocksdb e120ce0fb32f86b94188928743270ea11ff016b3
 github.com/cockroachdb/c-snappy 618733f9e5bab8463b9049117a335a7a1bfc9fd5
-github.com/cockroachdb/yacc 89870eb191e82216b51d2b03ee94224542f6eebc
+github.com/cockroachdb/yacc 572e006f8e6b0061ebda949d13744f5108389514
 github.com/coreos/etcd 3e455ed1049ab4a6152d8df32e58f014abafbc7f
 github.com/docker/docker 7571e6d90083f619f5068a1dddc6d9835201f908
 github.com/elazarl/go-bindata-assetfs 3dcc96556217539f50599357fb481ac0dc7439b9

Makefile

@@ -129,7 +129,7 @@ check:
 	  grep -vE '(declaration of err shadows|^vet: cannot process directory \.git)'
 	@echo "golint"
 	@! golint $(PKG) | \
-	  grep -vE '(\.pb\.go|embedded\.go|_string\.go|LastInsertId|sql\.y)' \
+	  grep -vE '(\.pb\.go|embedded\.go|_string\.go|LastInsertId|sql/parser/(yaccpar|sql\.y):)' \
 	  # https://golang.org/pkg/database/sql/driver/#Result :(
 	@echo "gofmt (simplify)"
 	@! gofmt -s -l . 2>&1 | grep -vE '^\.git/'

sql/parser/parse_test.go

@@ -20,6 +20,7 @@ package parser
 import (
 	"testing"
 
+	"github.com/cockroachdb/cockroach/testutils"
 	_ "github.com/cockroachdb/cockroach/util/log" // for flags
 )
 
@@ -363,8 +364,7 @@ CREATE TABLE test (
 }
 
 func TestParsePanic(t *testing.T) {
-	// TODO(tschottdorf): see #1801; when fixed, remove this and next line.
-	t.Skip()
+	// Replicates #1801.
 	defer func() {
 		if r := recover(); r != nil {
 			t.Fatal(r)
@@ -381,6 +381,9 @@ func TestParsePanic(t *testing.T) {
 		"(F(F(F(F(F(F(F(F(F(F" +
 		"(F(F(F(F(F(F(F(F(F((" +
 		"F(0"
-
-	_, _ = Parse(s)
+	_, err := Parse(s)
+	expected := `syntax error at or near "EOF"`
+	if !testutils.IsError(err, expected) {
+		t.Fatalf("expected %s, but found %v", expected, err)
+	}
 }