[libcxx] r343440 - Remove one more warning from clang-cl build

[Eric Fiselier]

Author: ericwf
Date: Sun Sep 30 20:59:05 2018
New Revision: 343440

URL: http://llvm.org/viewvc/llvm-project?rev=343440&view=rev
Log:
Remove one more warning from clang-cl build

Modified:
    libcxx/trunk/CMakeLists.txt

Modified: libcxx/trunk/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/CMakeLists.txt?rev=343440&r1=343439&r2=343440&view=diff
==============================================================================
--- libcxx/trunk/CMakeLists.txt (original)
+++ libcxx/trunk/CMakeLists.txt Sun Sep 30 20:59:05 2018
@@ -567,6 +567,7 @@ if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "
         -Wno-old-style-cast
         -Wno-deprecated # FIXME: Remove this and fix all occurrences.
         -Wno-shift-sign-overflow # FIXME: Why do we need this with clang-cl but not clang?
+        -Wno-double-promotion # FIXME: remove me
       )
     endif()
 elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")