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| author | Mark Eggleston <markeggleston@gcc.gnu.org> | 2020-06-25 05:16:50 +0100 |
|---|---|---|
| committer | Mark Eggleston <markeggleston@gcc.gnu.org> | 2020-07-02 07:48:04 +0100 |
| commit | 8f8ea4a47f3ab0b44b2bbf1c77db6111325d4841 (patch) | |
| tree | ab0e7dfc58fb1fe7cb84b05bc8ed4c3dc75e979e /gcc | |
| parent | 224682ffa19a6817e4d0bde59200169c3413b532 (diff) | |
| download | gcc-8f8ea4a47f3ab0b44b2bbf1c77db6111325d4841.zip gcc-8f8ea4a47f3ab0b44b2bbf1c77db6111325d4841.tar.gz gcc-8f8ea4a47f3ab0b44b2bbf1c77db6111325d4841.tar.bz2 | |
Fortran : ICE in generic_correspondence PR95584
Output an error for ambiguous interfaces in generic interface
instead of ICE.
2020-07-02 Steven G. Kargl <kargl@gcc.gnu.org>
gcc/fortran/
PR fortran/95584
* interface.c (generic_correspondence): Only use the pointer
to a symbol if exists.
2020-07-02 Mark Eggleston <markeggleston@gcc.gnu.org>
gcc/testsuite/
PR fortran/95584
* gfortran.dg/pr95584.f90: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/fortran/interface.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/pr95584.f90 | 16 |
2 files changed, 17 insertions, 1 deletions
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c index b1a75a3..0cc504f 100644 --- a/gcc/fortran/interface.c +++ b/gcc/fortran/interface.c @@ -1257,7 +1257,7 @@ generic_correspondence (gfc_formal_arglist *f1, gfc_formal_arglist *f2, while (f1) { - if (f1->sym->attr.optional) + if (!f1->sym || f1->sym->attr.optional) goto next; if (p1 && strcmp (f1->sym->name, p1) == 0) diff --git a/gcc/testsuite/gfortran.dg/pr95584.f90 b/gcc/testsuite/gfortran.dg/pr95584.f90 new file mode 100644 index 0000000..4504f7b --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr95584.f90 @@ -0,0 +1,16 @@ +! { dg-do compile } + +program p + interface s + subroutine g(x, *) + end + subroutine h(y, *) + end + end interface +end + +! { dg-warning "Obsolescent feature: Alternate-return argument" " " { target *-*-* } 5 } +! { dg-warning "Obsolescent feature: Alternate-return argument" " " { target *-*-* } 7 } +! { dg-error ".1." " " { target *-*-* } 5 } +! { dg-error "Ambiguous interfaces in generic interface" " " { target *-*-* } 7 } + |