ld: Add PR ld/31710 tests

	PR ld/31710
	* testsuite/ld-elf/wrap.exp: Run ld/31710 tests.
	* testsuite/ld-elf/wrap2.h: New file.
	* testsuite/ld-elf/wrap2a.c: Likewise.
	* testsuite/ld-elf/wrap2b.c: Likewise.

4 files changed, 63 insertions, 0 deletions

diff --git a/ld/testsuite/ld-elf/wrap.exp b/ld/testsuite/ld-elf/wrap.exp
index 90e2d60..efc44bc 100644
--- a/ld/testsuite/ld-elf/wrap.exp
+++ b/ld/testsuite/ld-elf/wrap.exp
@@ -52,3 +52,29 @@ if [check_shared_lib_support] {
   run_cc_link_tests $build_tests
   run_ld_link_exec_tests $run_tests
 }
+
+run_ld_link_tests [list \
+    [list \
+	"Build libwrap2.a" \
+	"" \
+	"" \
+	"" \
+	{wrap2a.c} \
+	{} \
+	"libwrap2.a" \
+	"-g" \
+    ] \
+]
+
+# Test very simple native Linux/x86 programs with linux-x86.S.
+run_ld_link_exec_tests [list \
+    [list \
+	"Run wrap2" \
+	"-Wl,--wrap=impl" \
+	"" \
+	{ wrap2b.c } \
+	"wrap2" \
+	"pass.out" \
+	"-g" \
+    ] \
+]
diff --git a/ld/testsuite/ld-elf/wrap2.h b/ld/testsuite/ld-elf/wrap2.h
new file mode 100644
index 0000000..8fd9495
--- /dev/null
+++ b/ld/testsuite/ld-elf/wrap2.h
@@ -0,0 +1,6 @@
+struct ops
+{
+  void (*loaded)(void);
+};
+
+extern struct ops impl;
diff --git a/ld/testsuite/ld-elf/wrap2a.c b/ld/testsuite/ld-elf/wrap2a.c
new file mode 100644
index 0000000..a37655f
--- /dev/null
+++ b/ld/testsuite/ld-elf/wrap2a.c
@@ -0,0 +1,11 @@
+#include "wrap2.h"
+
+static void
+loaded (void)
+{
+}
+
+struct ops impl =
+{
+  .loaded = loaded
+};
diff --git a/ld/testsuite/ld-elf/wrap2b.c b/ld/testsuite/ld-elf/wrap2b.c
new file mode 100644
index 0000000..c1f4444
--- /dev/null
+++ b/ld/testsuite/ld-elf/wrap2b.c
@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include "wrap2.h"
+
+static void
+loaded(void)
+{
+  printf ("PASS\n");
+}
+
+struct ops __wrap_impl =
+{
+  .loaded = loaded,
+};
+
+int
+main()
+{
+  impl.loaded ();
+  return 0;
+}