[COMMITTED 2/2] borrowck: Fix debug prints on 32-bits architectures

[Arthur Cohen]

gcc/rust/ChangeLog:

        * checks/errors/borrowck/rust-bir-builder.h: Cast size_t values to 
unsigned
        long before printing.
        * checks/errors/borrowck/rust-bir-fact-collector.h: Likewise.
---
 gcc/rust/checks/errors/borrowck/rust-bir-builder.h        | 3 ++-
 gcc/rust/checks/errors/borrowck/rust-bir-fact-collector.h | 6 ++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/gcc/rust/checks/errors/borrowck/rust-bir-builder.h 
b/gcc/rust/checks/errors/borrowck/rust-bir-builder.h
index e9108703be1..6b29eaeba5a 100644
--- a/gcc/rust/checks/errors/borrowck/rust-bir-builder.h
+++ b/gcc/rust/checks/errors/borrowck/rust-bir-builder.h
@@ -91,7 +91,8 @@ private:
          ctx.fn_free_regions[bound.second.get_index ()]);
 
        auto last_bound = universal_region_bounds.back ();
-       rust_debug ("\t\t %ld: %ld", last_bound.first, last_bound.second);
+       rust_debug ("\t\t %lu: %lu", (unsigned long) last_bound.first,
+                   (unsigned long) last_bound.second);
       }
 
     // TODO: handle type_region constraints
diff --git a/gcc/rust/checks/errors/borrowck/rust-bir-fact-collector.h 
b/gcc/rust/checks/errors/borrowck/rust-bir-fact-collector.h
index 6601c981779..1cd6b4d480d 100644
--- a/gcc/rust/checks/errors/borrowck/rust-bir-fact-collector.h
+++ b/gcc/rust/checks/errors/borrowck/rust-bir-fact-collector.h
@@ -621,14 +621,16 @@ protected: // Generic BIR operations.
 protected: // Subset helpers.
   void push_subset (FreeRegion lhs, FreeRegion rhs)
   {
-    rust_debug ("\t\tpush_subset: '?%lu: '?%lu", lhs, rhs);
+    rust_debug ("\t\tpush_subset: '?%lu: '?%lu", (unsigned long) lhs,
+               (unsigned long) rhs);
 
     facts.subset_base.emplace_back (lhs, rhs, get_current_point_mid ());
   }
 
   void push_subset_all (FreeRegion lhs, FreeRegion rhs)
   {
-    rust_debug ("\t\tpush_subset_all: '?%lu: '?%lu", lhs, rhs);
+    rust_debug ("\t\tpush_subset_all: '?%lu: '?%lu", (unsigned long) lhs,
+               (unsigned long) rhs);
 
     for (auto point : cfg_points_all)
       facts.subset_base.emplace_back (lhs, rhs, point);
-- 
2.45.2