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-rw-r--r--include/stc/algo/coroutine.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/stc/algo/coroutine.h b/include/stc/algo/coroutine.h
index b7ed895f..2ac17744 100644
--- a/include/stc/algo/coroutine.h
+++ b/include/stc/algo/coroutine.h
@@ -66,9 +66,9 @@ int main(void) {
case 0:
#define cco_end() \
- break; \
+ *_state = 0; break; \
default: assert(!"missing cco_final: or illegal state"); \
- } *_state = -2
+ } *_state *= -1
#define cco_yield(retval) \
do { \