Version 4.2.77.7 (cherry-pick)

src/base/platform/platform-posix.cc

Index: src/base/platform/platform-posix.cc
diff --git a/src/base/platform/platform-posix.cc b/src/base/platform/platform-posix.cc
index ec666641a1d43bc560bdd8606bc969d0b9eb02ca..dc35d3d812455ce3c4efb21bc8d8a9f75ddad0d7 100644
--- a/src/base/platform/platform-posix.cc
+++ b/src/base/platform/platform-posix.cc
@@ -273,6 +273,8 @@ int OS::GetCurrentThreadId() {
   return static_cast<int>(gettid());
 #elif V8_OS_AIX
   return static_cast<int>(thread_self());
+#elif V8_OS_SOLARIS
+  return static_cast<int>(pthread_self());
 #else
   return static_cast<int>(reinterpret_cast<intptr_t>(pthread_self()));
 #endif