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Co-authored-by: Brandt Bucher <[email protected]>

Tools/jit/_targets.py

@@ -135,6 +135,9 @@ async def _compile(
             # Don't call stack-smashing canaries that we can't find or patch:
             "-fno-stack-protector",
             "-std=c11",
+            "-o",
+            f"{o}",
+            f"{c}",
             *self.args,
         ]
         args_o = args + ["-o", f"{o}", f"{c}"]

Tools/jit/jit.h

@@ -1,3 +1,4 @@
-// To use preserve_none in JIT builds, we need to declare a separate function pointer with __attribute__((preserve_none)) since this attribute is not supported in < clang 19.
-// This is functionally the same as jit_func_native from Include/internal/pycore_jit.h except that it has __attribute__((preserve_none)).
+// To use preserve_none in JIT builds, we need to declare a separate function
+// pointer with __attribute__((preserve_none)), since this attribute may not be
+// supported by the compiler used to build the rest of the interpreter.
 typedef _Py_CODEUNIT *(*jit_func_preserve_none)(_PyInterpreterFrame *frame, _PyStackRef *stack_pointer, PyThreadState *tstate) __attribute__((preserve_none));