[Bug fortran/102366] [10/11/12 Regression] large arrays no longer become static

[anlauf at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102366

--- Comment #11 from anlauf at gcc dot gnu.org ---
(In reply to Dominique d'Humieres from comment #10)

> The problem is gone if I revert r12-3129.

But then it regresses on pr98411.  See for yourself compiling with -Wall.

Something like

diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c
index bed61e2325d..b022d818e82 100644
--- a/gcc/fortran/trans-decl.c
+++ b/gcc/fortran/trans-decl.c
@@ -743,7 +743,6 @@ gfc_finish_var_decl (tree decl, gfc_symbol * sym)

   /* Keep variables larger than max-stack-var-size off stack.  */
   if (!(sym->ns->proc_name && sym->ns->proc_name->attr.recursive)
-      && !(sym->ns->proc_name && sym->ns->proc_name->attr.is_main_program)
       && !sym->attr.automatic
       && sym->attr.save != SAVE_EXPLICIT
       && sym->attr.save != SAVE_IMPLICIT
@@ -757,7 +756,9 @@ gfc_finish_var_decl (tree decl, gfc_symbol * sym)
          || sym->attr.allocatable)
       && !DECL_ARTIFICIAL (decl))
     {
-      if (flag_max_stack_var_size > 0)
+      if (flag_max_stack_var_size > 0
+         && !(sym->ns->proc_name &&
+              sym->ns->proc_name->attr.is_main_program))
        gfc_warning (OPT_Wsurprising,
                     "Array %qs at %L is larger than limit set by "
                     "%<-fmax-stack-var-size=%>, moved from stack to static "

disables the warning for arrays in the main.