tests/micropython/opt_level_lineno.py: Force test func to use bytecode.

So that the test can run the same on all targets when used with the native
emitter.

Signed-off-by: Damien George <damien@micropython.org>

1 files changed, 12 insertions, 1 deletions

diff --git a/tests/micropython/opt_level_lineno.py b/tests/micropython/opt_level_lineno.py
index d8253e54b..dda9092d8 100644
--- a/tests/micropython/opt_level_lineno.py
+++ b/tests/micropython/opt_level_lineno.py
@@ -3,4 +3,15 @@ import micropython as micropython
 # check that level 3 doesn't store line numbers
 # the expected output is that any line is printed as "line 1"
 micropython.opt_level(3)
-exec("try:\n xyz\nexcept NameError as er:\n import sys\n sys.print_exception(er)")
+
+# force bytecode emitter, because native emitter doesn't store line numbers
+exec("""
+@micropython.bytecode
+def f():
+    try:
+        xyz
+    except NameError as er:
+        import sys
+        sys.print_exception(er)
+f()
+""")