[gcc/devel/rust/master] Use correct format specifiers for unisnged HOST_WIDE_INT

[Thomas Schwinge <tschwinge@gcc.gnu.org>]

https://gcc.gnu.org/g:48cad9e8aed699c396afb7592dd637f2e87723dc

commit 48cad9e8aed699c396afb7592dd637f2e87723dc
Author: Philip Herron <philip.herron@embecosm.com>
Date:   Tue May 3 16:16:12 2022 +0100

    Use correct format specifiers for unisnged HOST_WIDE_INT
    
    The code here was wrongly assuming the unsigned long interface which is not
    correcty for all targets.

Diff:
---
 gcc/rust/backend/rust-compile.cc | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/gcc/rust/backend/rust-compile.cc b/gcc/rust/backend/rust-compile.cc
index 5c9bbf90e66..db22227711e 100644
--- a/gcc/rust/backend/rust-compile.cc
+++ b/gcc/rust/backend/rust-compile.cc
@@ -492,7 +492,7 @@ HIRCompileBase::verify_array_capacities (tree ltype, tree rtype,
   if (!TREE_CONSTANT (TYPE_MAX_VALUE (ltype_domain)))
     return false;
 
-  auto ltype_length
+  unsigned HOST_WIDE_INT ltype_length
     = wi::ext (wi::to_offset (TYPE_MAX_VALUE (ltype_domain))
 		 - wi::to_offset (TYPE_MIN_VALUE (ltype_domain)) + 1,
 	       TYPE_PRECISION (TREE_TYPE (ltype_domain)),
@@ -506,7 +506,7 @@ HIRCompileBase::verify_array_capacities (tree ltype, tree rtype,
   if (!TREE_CONSTANT (TYPE_MAX_VALUE (rtype_domain)))
     return false;
 
-  auto rtype_length
+  unsigned HOST_WIDE_INT rtype_length
     = wi::ext (wi::to_offset (TYPE_MAX_VALUE (rtype_domain))
 		 - wi::to_offset (TYPE_MIN_VALUE (rtype_domain)) + 1,
 	       TYPE_PRECISION (TREE_TYPE (rtype_domain)),
@@ -515,10 +515,11 @@ HIRCompileBase::verify_array_capacities (tree ltype, tree rtype,
 
   if (ltype_length != rtype_length)
     {
-      rust_error_at (rvalue_locus,
-		     "expected an array with a fixed size of %lu "
-		     "elements, found one with %lu elements",
-		     ltype_length, rtype_length);
+      rust_error_at (
+	rvalue_locus,
+	"expected an array with a fixed size of " HOST_WIDE_INT_PRINT_UNSIGNED
+	" elements, found one with " HOST_WIDE_INT_PRINT_UNSIGNED " elements",
+	ltype_length, rtype_length);
       return false;
     }