[PATCH] Remove the valgrind-appeasing hack in ManagedStatic test

[Evgeniy Stepanov]

  I've landed the Process.inc part.
  Now this change is about the ManagesStatic test.

Hi kcc, chapuni,

http://llvm-reviews.chandlerc.com/D402

CHANGE SINCE LAST DIFF
  http://llvm-reviews.chandlerc.com/D402?vs=977&id=981#toc

Files:
  unittests/Support/ManagedStatic.cpp

Index: unittests/Support/ManagedStatic.cpp
===================================================================
--- unittests/Support/ManagedStatic.cpp
+++ unittests/Support/ManagedStatic.cpp
@@ -26,34 +26,16 @@
     *ms;
     return NULL;
   }
-
-  // Valgrind's leak checker complains glibc's stack allocation.
-  // To appease valgrind, we provide our own stack for each thread.
-  void *allocate_stack(pthread_attr_t &a, size_t n = 65536) {
-    void *stack = malloc(n);
-    pthread_attr_init(&a);
-#if defined(__linux__)
-    pthread_attr_setstack(&a, stack, n);
-#endif
-    return stack;
-  }
 }
 
 TEST(Initialize, MultipleThreads) {
   // Run this test under tsan: http://code.google.com/p/data-race-test/
-
-  pthread_attr_t a1, a2;
-  void *p1 = test1::allocate_stack(a1);
-  void *p2 = test1::allocate_stack(a2);
-
   llvm_start_multithreaded();
   pthread_t t1, t2;
-  pthread_create(&t1, &a1, test1::helper, NULL);
-  pthread_create(&t2, &a2, test1::helper, NULL);
+  pthread_create(&t1, NULL,  test1::helper, NULL);
+  pthread_create(&t2, NULL, test1::helper, NULL);
   pthread_join(t1, NULL);
   pthread_join(t2, NULL);
-  free(p1);
-  free(p2);
   llvm_stop_multithreaded();
 }
 #endif
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