Account for maxsubcnt overflowing

diff --git a/passes/pmgen/test_pmgen.cc b/passes/pmgen/test_pmgen.cc
index 5b0cf075157cd449116553162f9346704ff5523c..2695fe8023dd74a45369717582823c66c05362c5 100644 (file)
--- a/passes/pmgen/test_pmgen.cc
+++ b/passes/pmgen/test_pmgen.cc
@@ -217,7 +217,7 @@ void generate_pattern(std::function<void(pm&,std::function<void()>)> run, const
                        run(matcher, [](){});
                }
 
-               if (submodcnt)
+               if (submodcnt && maxsubcnt < (1 << 16))
                        maxsubcnt *= 2;
 
                design->remove(mod);