tested on x86_64, i686 Darwin, x86_64 Linux,
OK for trunk ? When ?
thanks
Iain

--- 8< ---

test-ggc-bugfix.c fails early on Darwin versions using a linker that
complains if libSystem is not present on user-land link lines.

Add this to fix that specific issue.

gcc/testsuite/ChangeLog:

        * jit.dg/test-ggc-bugfix.c: Add libSystem for Darwin.

Signed-off-by: Iain Sandoe <i...@sandoe.co.uk>
---
 gcc/testsuite/jit.dg/test-ggc-bugfix.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gcc/testsuite/jit.dg/test-ggc-bugfix.c 
b/gcc/testsuite/jit.dg/test-ggc-bugfix.c
index 59eb374af8b..fb857fbf0a7 100644
--- a/gcc/testsuite/jit.dg/test-ggc-bugfix.c
+++ b/gcc/testsuite/jit.dg/test-ggc-bugfix.c
@@ -12,6 +12,11 @@ create_code (gcc_jit_context *ctxt, void *user_data)
 {
   gcc_jit_context_add_command_line_option (ctxt, "-flto");
   gcc_jit_context_add_driver_option (ctxt, "-nostdlib");
+#if __APPLE__
+  /* On newer macOS, the test will fail with a complaint from the linker about
+     all user-land exes needing libSystem, so add it.  */
+  gcc_jit_context_add_driver_option (ctxt, "-lSystem");
+#endif
 
   gcc_jit_type *type_int = gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
   gcc_jit_param *params_for_func_main[0] = {
-- 
2.39.2 (Apple Git-143)

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