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path: root/src/pkg/go/scanner/scanner.go
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Diffstat (limited to 'src/pkg/go/scanner/scanner.go')
-rw-r--r--src/pkg/go/scanner/scanner.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/pkg/go/scanner/scanner.go b/src/pkg/go/scanner/scanner.go
index 2395363b0..da508747a 100644
--- a/src/pkg/go/scanner/scanner.go
+++ b/src/pkg/go/scanner/scanner.go
@@ -109,7 +109,7 @@ const (
func (s *Scanner) Init(file *token.File, src []byte, err ErrorHandler, mode Mode) {
// Explicitly initialize all fields since a scanner may be reused.
if file.Size() != len(src) {
- panic("file size does not match src len")
+ panic(fmt.Sprintf("file size (%d) does not match src len (%d)", file.Size(), len(src)))
}
s.file = file
s.dir, _ = filepath.Split(file.Name())