Fix member call on null pointer, found by sanitizer buildbot.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@279571 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 75d7f70a6368e2f3cf0f6ae005a722385377b4c2..f7d9787fbea7ddd775437f99c9b8262fa27bf63f 100644 (file)
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -3555,9 +3555,11 @@ void Sema::InstantiateFunctionDefinition(SourceLocation PointOfInstantiation,
   assert(PatternDecl && "instantiating a non-template");
 
   const FunctionDecl *PatternDef = PatternDecl->getDefinition();
-  Stmt *Pattern = PatternDef->getBody(PatternDef);
-  if (PatternDef)
+  Stmt *Pattern = nullptr;
+  if (PatternDef) {
+    Pattern = PatternDef->getBody(PatternDef);
     PatternDecl = PatternDef;
+  }
 
   // FIXME: We need to track the instantiation stack in order to know which
   // definitions should be visible within this instantiation.