This is pretty widespread. I have attached one example, but I see it in many
programs.
How to repeat:
Compile with -g
Do a next couple of times: Notice, that PC is jumping back and forth. Also
notice, that there is no linenumbers for lines 19 20 and 27
--
Summary: Gfortran 4.5.0 emits wrong linenumbers
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: nikolay at totalviewtech dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45186