1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/InlineFunction.cpp b/lib/Transforms/Utils/InlineFunction.cpp
index 91390bc7be..79c667a720 100644
--- a/lib/Transforms/Utils/InlineFunction.cpp
+++ b/lib/Transforms/Utils/InlineFunction.cpp
@@ -351,6 +351,10 @@ bool llvm::InlineFunction(CallSite CS, InlineFunctionInfo &IFI) {
         // Uses of the argument in the function should use our new alloca
         // instead.
         ActualArg = NewAlloca;
+
+        // Calls that we inline may use the new alloca, so we need to clear
+        // their 'tail' flags.
+        MustClearTailCallFlags = true;
       }
 
       ValueMap[I] = ActualArg;