From 9281625be0619cdf7b4798eb62a69effe306b5cc Mon Sep 17 00:00:00 2001 From: Bud Davis Date: Mon, 27 May 2013 14:16:36 +0000 Subject: [PATCH] re PR fortran/50405 (allocation LOOP or SIGSEGV) 2013-05-27 Bud Davis PR fortran/50405 * resolve.c (resolve_formal_arglist): Detect error when an * argument has the same name as the function. 2013-05-27 Bud Davis PR fortran/50405 * gfortran.dg/stfunc_8.f90: New. From-SVN: r199358 --- gcc/fortran/ChangeLog | 6 ++++++ gcc/fortran/resolve.c | 8 ++++++++ gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gfortran.dg/stfunc_8.f90 | 9 +++++++++ 4 files changed, 28 insertions(+) create mode 100644 gcc/testsuite/gfortran.dg/stfunc_8.f90 diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index 4d5088eb7c1..e13a46b5f5d 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,9 @@ +2013-05-27 Bud Davis + + PR fortran/50405 + * resolve.c (resolve_formal_arglist): Detect error when an argument + has the same name as the function. + 2013-05-27 Tobias Burnus * expr.c (gfc_build_intrinsic_call): Make symbol as attr.artificial. diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c index a63ee938544..78a1038009b 100644 --- a/gcc/fortran/resolve.c +++ b/gcc/fortran/resolve.c @@ -306,6 +306,14 @@ resolve_formal_arglist (gfc_symbol *proc) && !resolve_procedure_interface (sym)) return; + if (strcmp (proc->name, sym->name) == 0) + { + gfc_error ("Self-referential argument " + "'%s' at %L is not allowed", sym->name, + &proc->declared_at); + return; + } + if (sym->attr.if_source != IFSRC_UNKNOWN) resolve_formal_arglist (sym); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 40c213fc251..95330b7af9d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2013-05-27 Bud Davis + + PR fortran/50405 + * gfortran.dg/stfunc_8.f90: New. + 2013-05-27 Richard Biener PR tree-optimization/57343 diff --git a/gcc/testsuite/gfortran.dg/stfunc_8.f90 b/gcc/testsuite/gfortran.dg/stfunc_8.f90 new file mode 100644 index 00000000000..f13cacaeb8f --- /dev/null +++ b/gcc/testsuite/gfortran.dg/stfunc_8.f90 @@ -0,0 +1,9 @@ +! { dg-do compile } +! { dg-options "" } +! +! PR fortran/50405 +! +! Submitted by zeccav@gmail.com +! + f(f) = 0 ! { dg-error "Self-referential argument" } + end -- 2.30.2