[PATCH Fortran] bootstrap failure by wrong sizetype.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127704 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 9 insertions, 1 deletions

diff --git a/gcc/fortran/f95-lang.c b/gcc/fortran/f95-lang.c
index cc660fb9e47..1e1b640537e 100644
--- a/gcc/fortran/f95-lang.c
+++ b/gcc/fortran/f95-lang.c
@@ -615,7 +615,15 @@ gfc_init_decl_processing (void)
      only use it for actual characters, not for INTEGER(1). Also, we
      want double_type_node to actually have double precision.  */
   build_common_tree_nodes (false, false);
-  set_sizetype (long_unsigned_type_node);
+  /* x86_64 minw32 has a sizetype of "unsigned long long", most other hosts
+     have a sizetype of "unsigned long". Therefore choose the correct size
+     in mostly target independent way.  */
+  if (TYPE_MODE (long_unsigned_type_node) == Pmode)
+    set_sizetype (long_unsigned_type_node);
+  else if (TYPE_MODE (long_long_unsigned_type_node) == Pmode)
+    set_sizetype (long_long_unsigned_type_node);
+  else
+    set_sizetype (long_unsigned_type_node);
   build_common_tree_nodes_2 (0);
   void_list_node = build_tree_list (NULL_TREE, void_type_node);