[PATCH] D21864: [compiler-rt] Fix broken unittest using alloca on MSVC.

[Etienne Bergeron via llvm-commits]

etienneb created this revision.
etienneb added a reviewer: rnk.
etienneb added subscribers: kubabrecka, chrisha, wang0109, llvm-commits.

The alloca header is not present on windows.

This test was committed recently:
  http://reviews.llvm.org/D21509
  http://reviews.llvm.org/rL273889

http://reviews.llvm.org/D21864

Files:
  test/asan/TestCases/alloca_constant_size.cc

Index: test/asan/TestCases/alloca_constant_size.cc
===================================================================
--- test/asan/TestCases/alloca_constant_size.cc
+++ test/asan/TestCases/alloca_constant_size.cc
@@ -4,10 +4,17 @@
 // RUN: %run %t 1 2>&1 | FileCheck %s
 // RUN: %run %t 2 2>&1 | FileCheck %s
 
-#include <alloca.h>
 #include <stdio.h>
 #include <string.h>
 
+// MSVC provides _alloca instead of alloca.
+#if defined(_MSC_VER) && !defined(alloca)
+# define alloca _alloca
+#else
+#include <alloca.h>
+#endif
+
+
 void f1_alloca() {
   char *dynamic_buffer = (char *)alloca(200);
   fprintf(stderr, "dynamic_buffer = %p\n", dynamic_buffer);


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