Set REQUIRES shell on the test cases for r186044

[oota-llvm.git] / lib / Support / ThreadLocal.cpp

diff --git a/lib/Support/ThreadLocal.cpp b/lib/Support/ThreadLocal.cpp
index 17e0fe15b020f48be65d4351e3a1c7f6b4c406d6..0587aaec7e68fc2c9ca6dacef2095610dac2c2c1 100644 (file)
--- a/lib/Support/ThreadLocal.cpp
+++ b/lib/Support/ThreadLocal.cpp
@@ -25,9 +25,18 @@ namespace llvm {
 using namespace sys;
 ThreadLocalImpl::ThreadLocalImpl() { }
 ThreadLocalImpl::~ThreadLocalImpl() { }
-void ThreadLocalImpl::setInstance(const void* d) { data = const_cast<void*>(d);}
-const void* ThreadLocalImpl::getInstance() { return data; }
-void ThreadLocalImpl::removeInstance() { data = 0; }
+void ThreadLocalImpl::setInstance(const void* d) {
+  typedef int SIZE_TOO_BIG[sizeof(d) <= sizeof(data) ? 1 : -1];
+  void **pd = reinterpret_cast<void**>(&data);
+  *pd = const_cast<void*>(d);
+}
+const void* ThreadLocalImpl::getInstance() {
+  void **pd = reinterpret_cast<void**>(&data);
+  return *pd;
+}
+void ThreadLocalImpl::removeInstance() {
+  setInstance(0);
+}
 }
 #else