Index: compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix_libcdep.cc
===================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix_libcdep.cc
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix_libcdep.cc
@@ -70,7 +70,7 @@
 
 bool NoHugePagesInRegion(uptr addr, uptr size) {
 #ifdef MADV_NOHUGEPAGE  // May not be defined on old systems.
-  return madvise((void *)addr, size, MADV_NOHUGEPAGE) == 0;
+  return madvise((char *)addr, size, MADV_NOHUGEPAGE) == 0;
 #else
   return true;
 #endif  // MADV_NOHUGEPAGE
@@ -78,9 +78,9 @@
 
 bool DontDumpShadowMemory(uptr addr, uptr length) {
 #if defined(MADV_DONTDUMP)
-  return madvise((void *)addr, length, MADV_DONTDUMP) == 0;
+  return madvise((char *)addr, length, MADV_DONTDUMP) == 0;
 #elif defined(MADV_NOCORE)
-  return madvise((void *)addr, length, MADV_NOCORE) == 0;
+  return madvise((char *)addr, length, MADV_NOCORE) == 0;
 #else
   return true;
 #endif  // MADV_DONTDUMP