[PATCH] Make some C++ tests account for llp64 targets

[Jonathan Yong]

Attached patch OK for master branch?

gcc/testsuite/ChangeLog:

        * g++.dg/expr/cast11.C: cast to intptr_t instead of long.
        * g++.dg/opt/pr55717.C: ditto.
        * g++.dg/warn/Wunused-value-1.C: ditto.

From 9eb396e7629c3dc4598f49d5d5eb71ad907df7ce Mon Sep 17 00:00:00 2001
From: Jonathan Yong <10wa...@gmail.com>
Date: Wed, 11 Feb 2026 05:49:57 +0000
Subject: [PATCH] Make some C++ tests account for llp64 targets

Fix spurious warnings with mingw-w64.

gcc/testsuite/ChangeLog:

	* g++.dg/expr/cast11.C: cast to intptr_t instead of long.
	* g++.dg/opt/pr55717.C: ditto.
	* g++.dg/warn/Wunused-value-1.C: ditto.

Signed-off-by: Jonathan Yong <10wa...@gmail.com>
---
 gcc/testsuite/g++.dg/expr/cast11.C          |  4 +++-
 gcc/testsuite/g++.dg/opt/pr55717.C          |  3 ++-
 gcc/testsuite/g++.dg/warn/Wunused-value-1.C | 10 ++++++----
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/gcc/testsuite/g++.dg/expr/cast11.C b/gcc/testsuite/g++.dg/expr/cast11.C
index baafebb3c73..77d6e5facc4 100644
--- a/gcc/testsuite/g++.dg/expr/cast11.C
+++ b/gcc/testsuite/g++.dg/expr/cast11.C
@@ -10,6 +10,8 @@ template<typename T> void g(T const&&) { }
 
 struct B { int i; const char c; } b = {};
 
+typedef __INTPTR_TYPE__ intptr_t;
+
 void f1()
 {
   int i = 0;
@@ -19,7 +21,7 @@ void f1()
   f((long* const)&i);			// { dg-warning "5:type qualifiers ignored" }
 
   f(static_cast<long const>(i));	// { dg-warning "5:type qualifiers ignored" }
-  f(reinterpret_cast<long const>(&i));	// { dg-warning "5:type qualifiers ignored" }
+  f(reinterpret_cast<intptr_t const>(&i));	// { dg-warning "5:type qualifiers ignored" }
 
   f(static_cast<int* const>(&i));	// { dg-warning "5:type qualifiers ignored" }
   f(const_cast<int* const>(&i));	// { dg-warning "5:type qualifiers ignored" }
diff --git a/gcc/testsuite/g++.dg/opt/pr55717.C b/gcc/testsuite/g++.dg/opt/pr55717.C
index c03badd258f..688b0ae2fb6 100644
--- a/gcc/testsuite/g++.dg/opt/pr55717.C
+++ b/gcc/testsuite/g++.dg/opt/pr55717.C
@@ -3,6 +3,7 @@
 // { dg-options "-O -g" }
 
 typedef unsigned uint32_t __attribute__((mode (__SI__)));
+typedef __INTPTR_TYPE__ intptr_t;
 
 struct DebugOnly {};
 template <class T>
@@ -95,7 +96,7 @@ struct AllocationSiteKey
   uint32_t offset : 24;
   int kind;
   typedef AllocationSiteKey Lookup;
-  static unsigned hash (AllocationSiteKey key) { return (long (key.script->code + key.offset)) ^ key.kind; }
+  static unsigned hash (AllocationSiteKey key) { return (intptr_t (key.script->code + key.offset)) ^ key.kind; }
 };
 void
 TypeCompartment::sweep (FreeOp *)
diff --git a/gcc/testsuite/g++.dg/warn/Wunused-value-1.C b/gcc/testsuite/g++.dg/warn/Wunused-value-1.C
index 2ba5587fce0..fe34a8c4ea3 100644
--- a/gcc/testsuite/g++.dg/warn/Wunused-value-1.C
+++ b/gcc/testsuite/g++.dg/warn/Wunused-value-1.C
@@ -2,11 +2,13 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-Wunused" }
 
+typedef __INTPTR_TYPE__ intptr_t;
+
 void
 g ()
 {
-  (long) new int{};
-  long(new int{});
-  (long) new int();
-  long(new int());
+  (intptr_t) new int{};
+  intptr_t(new int{});
+  (intptr_t) new int();
+  intptr_t(new int());
 }
-- 
2.53.0