a2015351c8
D8 breakpoints used in sourcemap testing should only be set for test files and not, accidentally, in sdk source files. This was hit in a dart2js step debugging test where, after unforking, the line number in the test file accidentally matched those of print.dart from the sdk. Change-Id: I6a9c6f5bfd28b8821e9cee9b10cc6c67e4fc689b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/146781 Reviewed-by: Joshua Litt <joshualitt@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>