diff --git a/clang/lib/AST/ByteCode/Interp.cpp b/clang/lib/AST/ByteCode/Interp.cpp
index 0a13456e6026d..199ccf1d5a652 100644
--- a/clang/lib/AST/ByteCode/Interp.cpp
+++ b/clang/lib/AST/ByteCode/Interp.cpp
@@ -41,7 +41,7 @@ using namespace clang::interp;
 // to handle the way we use tailcalls.
 // PPC can't tail-call external calls, which is a problem for InterpNext.
 #if defined(_MSC_VER) || defined(__powerpc__) || !defined(MUSTTAIL) ||         \
-    defined(__i386__)
+    defined(__i386__) || defined(__sparc__)
 #undef MUSTTAIL
 #define MUSTTAIL
 #define USE_TAILCALLS 0