@@ -743,8 +743,10 @@ 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
&& INTEGER_CST_P (DECL_SIZE_UNIT (decl))
&& !gfc_can_put_var_on_stack (DECL_SIZE_UNIT (decl))
/* Put variable length auto array pointers always into stack. */
@@ -757,13 +759,17 @@ gfc_finish_var_decl (tree decl, gfc_symbol * sym)
{
if (flag_max_stack_var_size > 0)
gfc_warning (OPT_Wsurprising,
- "Array %qs at %L is larger than limit set by"
- " %<-fmax-stack-var-size=%>, moved from stack to static"
- " storage. This makes the procedure unsafe when called"
- " recursively, or concurrently from multiple threads."
- " Consider using %<-frecursive%>, or increase the"
- " %<-fmax-stack-var-size=%> limit, or change the code to"
- " use an ALLOCATABLE array.",
+ "Array %qs at %L is larger than limit set by "
+ "%<-fmax-stack-var-size=%>, moved from stack to static "
+ "storage. This makes the procedure unsafe when called "
+ "recursively, or concurrently from multiple threads. "
+ "Consider increasing the %<-fmax-stack-var-size=%> "
+ "limit (or use %<-frecursive%>, which implies "
+ "unlimited %<-fmax-stack-var-size%>) - or change the "
+ "code to use an ALLOCATABLE array. If the variable is "
+ "never accessed concurrently, this warning can be "
+ "ignored, and the variable could also be declared with "
+ "the SAVE attribute.",
sym->name, &sym->declared_at);
TREE_STATIC (decl) = 1;
@@ -1,5 +1,5 @@
! { dg-do compile }
-! { dg-options "-Wall -fautomatic -fmax-stack-var-size=100" }
+! { dg-options "-std=f2008 -Wall -fautomatic -fmax-stack-var-size=100" }
! PR fortran/98411 - Pointless warning for static variables
module try
@@ -9,8 +9,10 @@ contains
subroutine initmodule
real, save :: b(1000)
logical :: c(1000) ! { dg-warning "moved from stack to static storage" }
+ integer :: e(1000) = 1
a(1) = 42
b(2) = 3.14
c(3) = .true.
+ e(5) = -1
end subroutine initmodule
end module try