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Re: [Patch, fortran] PR20880 - Failure to detect procedures encompassing own interface

Tobias,

Seemingly, current_interface.ns can be uninitialized and non zero.
That's very helpful. Both the OS's on which I have tried this, consistently return null or a namespace.

"gfc_interface_info current_interface;" is defined in interface.c (and
as external in gfortran.h)
with gfc_namespace *ns.

It is set in "parse_interface()". The lines above from symbol.c are part
of gfc_add_explicit_interface(),
which is called in decl.c and parse.c.
As one can see from valgrind, it fails in gfc_match_formal_arglist
I will recheck the paths to gfc_add_explicit_interface. I had checked this and concluded that they all ultimately radiated from parse.c. I will either add a nulling or a signalling mechanism to make sure that we get to gfc_add_explicit_interface in good shape.

Many thanks

Paul

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