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authorSteven G. Kargl <kargl@gcc.gnu.org>2018-03-18 17:51:57 +0000
committerSteven G. Kargl <kargl@gcc.gnu.org>2018-03-18 17:51:57 +0000
commit96c8b2534d19a0769152cd33e7fccc66a8785389 (patch)
treeff06ab0f94a74091ec8b716ec3ed15cf47bc3d7f /gcc/fortran/decl.c
parent81ea7c11e1995736f39b0bbd8aa14160d7f08626 (diff)
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re PR fortran/77414 (ICE in create_function_arglist, at fortran/trans-decl.c:2410)
2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/77414 * decl.c (get_proc_name): Check for a subroutine re-defined in the contain portion of a subroutine. Change language of existing error message to better describe the issue. While here fix whitespace issues. 2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/77414 * gfortran.dg/pr77414.f90: New test. * gfortran.dg/internal_references_1.f90: Adjust error message. From-SVN: r258633
Diffstat (limited to 'gcc/fortran/decl.c')
-rw-r--r--gcc/fortran/decl.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/gcc/fortran/decl.c b/gcc/fortran/decl.c
index 9ffaa78..f6649cf 100644
--- a/gcc/fortran/decl.c
+++ b/gcc/fortran/decl.c
@@ -1172,14 +1172,12 @@ get_proc_name (const char *name, gfc_symbol **result, bool module_fcn_entry)
if (sym->attr.proc == PROC_ST_FUNCTION)
return rc;
- if (sym->attr.module_procedure
- && sym->attr.if_source == IFSRC_IFBODY)
+ if (sym->attr.module_procedure && sym->attr.if_source == IFSRC_IFBODY)
{
/* Create a partially populated interface symbol to carry the
characteristics of the procedure and the result. */
sym->tlink = gfc_new_symbol (name, sym->ns);
- gfc_add_type (sym->tlink, &(sym->ts),
- &gfc_current_locus);
+ gfc_add_type (sym->tlink, &(sym->ts), &gfc_current_locus);
gfc_copy_attr (&sym->tlink->attr, &sym->attr, NULL);
if (sym->attr.dimension)
sym->tlink->as = gfc_copy_array_spec (sym->as);
@@ -1244,7 +1242,16 @@ get_proc_name (const char *name, gfc_symbol **result, bool module_fcn_entry)
&& sym->attr.access == 0
&& !module_fcn_entry)
gfc_error_now ("Procedure %qs at %C has an explicit interface "
- "and must not have attributes declared at %L",
+ "from a previous declaration", name);
+ }
+
+ if (sym && !sym->gfc_new
+ && sym->attr.flavor != FL_UNKNOWN
+ && sym->attr.referenced == 0 && sym->attr.subroutine == 1
+ && gfc_state_stack->state == COMP_CONTAINS
+ && gfc_state_stack->previous->state == COMP_SUBROUTINE)
+ {
+ gfc_error_now ("Procedure %qs at %C is already defined at %L",
name, &sym->declared_at);
}
@@ -1269,10 +1276,10 @@ get_proc_name (const char *name, gfc_symbol **result, bool module_fcn_entry)
/* See if the procedure should be a module procedure. */
if (((sym->ns->proc_name != NULL
- && sym->ns->proc_name->attr.flavor == FL_MODULE
- && sym->attr.proc != PROC_MODULE)
- || (module_fcn_entry && sym->attr.proc != PROC_MODULE))
- && !gfc_add_procedure (&sym->attr, PROC_MODULE, sym->name, NULL))
+ && sym->ns->proc_name->attr.flavor == FL_MODULE
+ && sym->attr.proc != PROC_MODULE)
+ || (module_fcn_entry && sym->attr.proc != PROC_MODULE))
+ && !gfc_add_procedure (&sym->attr, PROC_MODULE, sym->name, NULL))
rc = 2;
return rc;