Don't use LOG() from platform.

src/platform-qnx.cc

Index: src/platform-qnx.cc
diff --git a/src/platform-qnx.cc b/src/platform-qnx.cc
index 4738ef542a291f85eea330cce38848cdb5c47268..883945dbbbe5ddf747d80470597a9437b080c7ea 100644
--- a/src/platform-qnx.cc
+++ b/src/platform-qnx.cc
@@ -111,11 +111,7 @@ void* OS::Allocate(const size_t requested,
   int prot = PROT_READ | PROT_WRITE | (is_executable ? PROT_EXEC : 0);
   void* addr = OS::GetRandomMmapAddr();
   void* mbase = mmap(addr, msize, prot, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-  if (mbase == MAP_FAILED) {
-    LOG(i::Isolate::Current(),
-        StringEvent("OS::Allocate", "mmap failed"));
-    return NULL;
-  }
+  if (mbase == MAP_FAILED) return NULL;
   *allocated = msize;
   return mbase;
 }