From: George Karpenkov <ekarpenkov@apple.com>
Date: Tue, 27 Feb 2018 19:19:49 +0000 (+0000)
Subject: [analyzer] Quickfix: don't crash when runtime definition is not available.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=77aa5a16bf26da61137626bdf85d42634a8b6005;p=clang

[analyzer] Quickfix: don't crash when runtime definition is not available.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@326230 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp b/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
index 54150ef2f2..f5b4e7c3a7 100644
--- a/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
+++ b/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
@@ -321,9 +321,11 @@ private:
   /// Get parameters associated with runtime definition in order
   /// to get the correct parameter name.
   ArrayRef<ParmVarDecl *> getCallParameters(CallEventRef<> Call) {
-    if (isa<FunctionDecl>(Call->getDecl()))
-      return dyn_cast<FunctionDecl>(Call->getRuntimeDefinition().getDecl())
-          ->parameters();
+    // Use runtime definition, if available.
+    RuntimeDefinition RD = Call->getRuntimeDefinition();
+    if (auto *FD = dyn_cast_or_null<FunctionDecl>(RD.getDecl()))
+      return FD->parameters();
+
     return Call->parameters();
   }