On Mon, Jun 11, 2018 at 08:50:31AM +0200, Olivier Hainque wrote: > FWIW, I was surprised by a gotcha while writing tests for this, > where both > > { dg-final { scan-assembler "0x3.*DW_AT_language" } } > and { dg-final { scan-assembler "0xd.*DW_AT_language" } } > > matched for Ada95 (0xd) with -gdwarf-3.
Sure, you need to use something like \[^\n\r]* instead. > scan-assembler uses "regexp" without --line, and 0x3 happened > to match from a much earlier line in the output, with an assembly > output like > > bla 0x3 blo > <some other dwarf> > 0xd # DW_AT_language > > I adjusted the regex not to match newline characters and the > test is now more accurate, then I noticed that other language tests > use '.*' so might be affected as well, unless I'm missing something. In some tests using .* is intentional, in lots of others probably a bug. Jakub