Revert "text/template: efficient reporting of line numbers"

This reverts commit 794fb71d9c1018c4beae1657baca5229e6a02ad0.

Reason for revert: submitted without TryBots and it broke all three race builders.

Change-Id: I80a1e566616f0ee8fa3529d4eeee04268f8a713b
Reviewed-on: https://go-review.googlesource.com/33232
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

1 files changed, 0 insertions, 34 deletions

diff --git a/src/text/template/parse/parse_test.go b/src/text/template/parse/parse_test.go
index 81f14aca98..9d856bcb3d 100644
--- a/src/text/template/parse/parse_test.go
+++ b/src/text/template/parse/parse_test.go
@@ -484,37 +484,3 @@ func TestBlock(t *testing.T) {
 		t.Errorf("inner template = %q, want %q", g, w)
 	}
 }
-
-func TestLineNum(t *testing.T) {
-	const count = 100
-	text := strings.Repeat("{{printf 1234}}\n", count)
-	tree, err := New("bench").Parse(text, "", "", make(map[string]*Tree), builtins)
-	if err != nil {
-		t.Fatal(err)
-	}
-	// Check the line numbers. Each line is an action containing a template, followed by text.
-	// That's two nodes per line.
-	nodes := tree.Root.Nodes
-	for i := 0; i < len(nodes); i += 2 {
-		line := 1 + i/2
-		// Action first.
-		action := nodes[i].(*ActionNode)
-		if action.Line != line {
-			t.Fatalf("line %d: action is line %d", line, action.Line)
-		}
-		pipe := action.Pipe
-		if pipe.Line != line {
-			t.Fatalf("line %d: pipe is line %d", line, pipe.Line)
-		}
-	}
-}
-
-func BenchmarkParseLarge(b *testing.B) {
-	text := strings.Repeat("{{1234}}\n", 10000)
-	for i := 0; i < b.N; i++ {
-		_, err := New("bench").Parse(text, "", "", make(map[string]*Tree), builtins)
-		if err != nil {
-			b.Fatal(err)
-		}
-	}
-}