[Fortran] enable gfortran masklr_2 (#115)

Fixed by https://github.com/llvm/llvm-project/pull/87496
diff --git a/Fortran/gfortran/regression/DisabledFiles.cmake b/Fortran/gfortran/regression/DisabledFiles.cmake
index 75c7911..0a95b22 100644
--- a/Fortran/gfortran/regression/DisabledFiles.cmake
+++ b/Fortran/gfortran/regression/DisabledFiles.cmake
@@ -531,7 +531,6 @@
 
   # lowering bugs (reported)
   c_char_tests.f03
-  masklr_2.F90
 
   # Categorize and debug further
   bounds_check_17.f90 # needs -fcheck=bounds