[opt] Error if -debug-pass is specified alongside the new PM
Reviewed By: ychen
Differential Revision: https://reviews.llvm.org/D97810
GitOrigin-RevId: 99f1e86cbb34b4a09fa422fe95e8f88f86360eab
diff --git a/lib/IR/LegacyPassManager.cpp b/lib/IR/LegacyPassManager.cpp
index 94be208..32840fd 100644
--- a/lib/IR/LegacyPassManager.cpp
+++ b/lib/IR/LegacyPassManager.cpp
@@ -242,6 +242,8 @@
namespace llvm {
namespace legacy {
+bool debugPassSpecified() { return PassDebugging != Disabled; }
+
//===----------------------------------------------------------------------===//
// FunctionPassManagerImpl
//