The attached patch fixes an ICE by detecting a name
clash between a procedure statement and a contained
subprogram. Regression tested on x86_64-*-freebsd.
2018-03-16 Steven G. Kargl <ka...@gcc.gnu.org>
PR fortran/65453
* decl.c (get_proc_name): Catch clash between a procedure statement
and a contained subprogram
2018-03-16 Steven G. Kargl <ka...@gcc.gnu.org>
PR fortran/65453
* gfortran.dg/pr65453.f90: New test.
--
Steve
Index: gcc/fortran/decl.c
===================================================================
--- gcc/fortran/decl.c (revision 258607)
+++ gcc/fortran/decl.c (working copy)
@@ -1219,6 +1219,12 @@ get_proc_name (const char *name, gfc_symbol **result,
gfc_error_now ("Procedure %qs at %C is already defined at %L",
name, &sym->declared_at);
+ if (sym->attr.external && sym->attr.procedure
+ && gfc_current_state () == COMP_CONTAINS)
+ gfc_error_now ("Contained procedure %qs at %C clashes with "
+ "procedure defined at %L",
+ name, &sym->declared_at);
+
/* Trap a procedure with a name the same as interface in the
encompassing scope. */
if (sym->attr.generic != 0
Index: gcc/testsuite/gfortran.dg/pr65453.f90
===================================================================
--- gcc/testsuite/gfortran.dg/pr65453.f90 (nonexistent)
+++ gcc/testsuite/gfortran.dg/pr65453.f90 (working copy)
@@ -0,0 +1,8 @@
+! { dg-do compile }
+! PR fortran/65453
+! Contributed by Tobias Burnus <burnus at gcc.gnu.org>
+procedure() :: foo ! { dg-error "(1)" }
+ contains
+ subroutine foo() ! { dg-error "clashes with procedure" }
+ end
+end
