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CSA thought that stp would leak if State_insert returns early: when x3a is NULL
(memory allocation failure) or when the state existed before (cannot happen for
the initial state). So annotate it as such.
--- a/lemon.c
+++ b/lemon.c
@@ -990,7 +990,11 @@ PRIVATE struct state *getstate(struct lemon *lemp)
stp->cfp = cfp; /* Remember the configuration closure */
stp->statenum = lemp->nstate++; /* Every state gets a sequence number */
stp->ap = 0; /* No actions, yet. */
+#ifndef NDEBUG
+ int ret =
+#endif
State_insert(stp,stp->bp); /* Add to the state table */
+ assert(ret == 1); /* CSA hint: stp did not leak, it has escaped. */
buildshifts(lemp,stp); /* Recursively compute successor states */
}
return stp;
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