.*dw2-decodedline.o:     file format .*

Contents of the \.debug_line section:

dw2-decodedline\.c:
File name[ 	]+Line number[ 	]+Starting address[ 	]+View[ 	]+Stmt

directory/file1\.c:
file1\.c[ 	]+1 .*


\./dw2-decodedline\.c:\[\+\+\]
dw2-decodedline\.c[ 	]+2 .*
dw2-decodedline\.c[ 	]+- .*