Blame SOURCES/0007-Allow-more-than-one-character-as-argument-to-ICHAR.patch

3db796
From d75972937274489189a151a47da9b9aadfdefe8d Mon Sep 17 00:00:00 2001
3db796
From: Jim MacArthur <jim.macarthur@codethink.co.uk>
3db796
Date: Mon, 5 Oct 2015 13:45:15 +0100
3db796
Subject: [PATCH 07/23] Allow more than one character as argument to ICHAR
3db796
3db796
This feature is enabled by the `-std=extra-legacy` compiler flag.
3db796
---
3db796
6068c7
commit 44861a8907c8d849193287231a464d34fcce522d
6068c7
Author: Jim MacArthur <jim.macarthur@codethink.co.uk>
6068c7
Date:   Mon Oct 5 13:45:15 2015 +0100
6068c7
6068c7
    Allow more than one character as argument to ICHAR
6068c7
    
6068c7
    This feature is enabled by the `-std=extra-legacy` compiler flag.
6068c7
    
6068c7
    Test written by: Francisco Redondo Marchena <francisco.marchena@codethink.co.uk>
3db796
3db796
diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
6068c7
index 4f2d21610b9..38a90519c81 100644
3db796
--- a/gcc/fortran/check.c
3db796
+++ b/gcc/fortran/check.c
6068c7
@@ -2472,7 +2472,7 @@ gfc_check_ichar_iachar (gfc_expr *c, gfc_expr *kind)
3db796
   else
3db796
     return true;
3db796
 
3db796
-  if (i != 1)
3db796
+  if (i != 1 && !(gfc_option.allow_std & GFC_STD_EXTRA_LEGACY))
3db796
     {
3db796
       gfc_error ("Argument of %s at %L must be of length one",
3db796
 		 gfc_current_intrinsic, &c->where);
3db796
diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c
6068c7
index 80c96371ad9..6e05bb444ed 100644
3db796
--- a/gcc/fortran/simplify.c
3db796
+++ b/gcc/fortran/simplify.c
3db796
@@ -2774,7 +2774,7 @@ gfc_simplify_iachar (gfc_expr *e, gfc_expr *kind)
3db796
   if (e->expr_type != EXPR_CONSTANT)
3db796
     return NULL;
3db796
 
3db796
-  if (e->value.character.length != 1)
3db796
+  if (e->value.character.length != 1 && !(gfc_option.allow_std & GFC_STD_EXTRA_LEGACY))
3db796
     {
3db796
       gfc_error ("Argument of IACHAR at %L must be of length one", &e->where);
3db796
       return &gfc_bad_expr;
3db796
@@ -2972,7 +2972,7 @@ gfc_simplify_ichar (gfc_expr *e, gfc_expr *kind)
3db796
   if (e->expr_type != EXPR_CONSTANT)
3db796
     return NULL;
3db796
 
3db796
-  if (e->value.character.length != 1)
3db796
+  if (e->value.character.length != 1 && !(gfc_option.allow_std & GFC_STD_EXTRA_LEGACY))
3db796
     {
3db796
       gfc_error ("Argument of ICHAR at %L must be of length one", &e->where);
3db796
       return &gfc_bad_expr;
6068c7
diff --git a/gcc/testsuite/gfortran.dg/dec_ichar_with_string.f b/gcc/testsuite/gfortran.dg/dec_ichar_with_string.f
6068c7
new file mode 100644
6068c7
index 00000000000..c97746d4a4e
6068c7
--- /dev/null
6068c7
+++ b/gcc/testsuite/gfortran.dg/dec_ichar_with_string.f
6068c7
@@ -0,0 +1,18 @@
6068c7
+! { dg-do compile }
6068c7
+! { dg-options "-std=extra-legacy" }
6068c7
+!
6068c7
+! Test ICHAR and IACHAR with more than one character as argument
6068c7
+!
6068c7
+        PROGRAM ichar_more_than_one_character
6068c7
+          CHARACTER*4 st/'Test'/
6068c7
+          INTEGER i
6068c7
+
6068c7
+          i = ICHAR(st)
6068c7
+          if (i.NE.84) STOP 1
6068c7
+          i = IACHAR(st)
6068c7
+          if (i.NE.84) STOP 2
6068c7
+          i = ICHAR('Test')
6068c7
+          if (i.NE.84) STOP 3
6068c7
+          i = IACHAR('Test')
6068c7
+          if (i.NE.84) STOP 4
6068c7
+        END