[analyzer] Don't reimplement an existing function.

Thanks Jordan.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163762 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 17 deletions

diff --git a/lib/StaticAnalyzer/Core/MemRegion.cpp b/lib/StaticAnalyzer/Core/MemRegion.cpp
index 6d6bb20818..8c3c1250e6 100644
--- a/lib/StaticAnalyzer/Core/MemRegion.cpp
+++ b/lib/StaticAnalyzer/Core/MemRegion.cpp
@@ -990,23 +990,7 @@ const MemRegion *MemRegion::getBaseRegion() const {
   return R;
 }
 
-bool MemRegion::isSubRegionOf(const MemRegion *PR) const {
-  const MemRegion *R = this;
-  while (true) {
-    switch (R->getKind()) {
-      case MemRegion::ElementRegionKind:
-      case MemRegion::FieldRegionKind:
-      case MemRegion::ObjCIvarRegionKind:
-      case MemRegion::CXXBaseObjectRegionKind:
-        R = cast<SubRegion>(R)->getSuperRegion();
-        if (R == PR)
-          return true;
-        continue;
-      default:
-        break;
-    }
-    break;
-  }
+bool MemRegion::isSubRegionOf(const MemRegion *R) const {
   return false;
 }