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-rw-r--r--Python/compile.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/Python/compile.c b/Python/compile.c
index 6df09dc53c..4dfc42d928 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -4191,6 +4191,9 @@ assemble_lnotab(struct assembler *a, struct instr *i)
assert(d_bytecode >= 0);
assert(d_lineno >= 0);
+ if(d_bytecode == 0 && d_lineno == 0)
+ return 1;
+
if (d_bytecode > 255) {
int j, nbytes, ncodes = d_bytecode / 255;
nbytes = a->a_lnotab_off + 2 * ncodes;