[PATCH] [ASan/Win] Increase the size of the PC array for coverage on Windows

[Timur Iskhodzhanov]

Hi samsonov, kcc,

The current value is not sufficient to even start Chrome.
The new value seems to be sufficient.

http://reviews.llvm.org/D9256

Files:
  lib/sanitizer_common/sanitizer_coverage_libcdep.cc

Index: lib/sanitizer_common/sanitizer_coverage_libcdep.cc
===================================================================
--- lib/sanitizer_common/sanitizer_coverage_libcdep.cc
+++ lib/sanitizer_common/sanitizer_coverage_libcdep.cc
@@ -109,8 +109,9 @@
 
   // Maximal size pc array may ever grow.
   // We MmapNoReserve this space to ensure that the array is contiguous.
-  static const uptr kPcArrayMaxSize =
-      FIRST_32_SECOND_64(1 << (SANITIZER_ANDROID ? 24 : 26), 1 << 27);
+  static const uptr kPcArrayMaxSize = FIRST_32_SECOND_64(
+      1 << (SANITIZER_ANDROID ? 24 : (SANITIZER_WINDOWS ? 27 : 26)),
+      1 << 27);
   // The amount file mapping for the pc array is grown by.
   static const uptr kPcArrayMmapSize = 64 * 1024;

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