Abi: Detect MSVC2017RC as MSVC2017

The binaries have a minor linker version >= 10.

Amends change 0a9414d4.

Task-number: QTBUG-57086
Change-Id: Ib9493bc3f87e6100377632b85991ce94f3025f28
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

src/plugins/projectexplorer/abi.cpp

@@ -164,7 +164,9 @@ static QList<Abi> parseCoffHeader(const QByteArray &data)
             flavor = Abi::WindowsMsvc2013Flavor;
             break;
         case 14:
-            flavor = Abi::WindowsMsvc2015Flavor;
+            flavor = minorLinker >= quint8(10)
+                ? Abi::WindowsMsvc2017Flavor // MSVC2017 RC
+                : Abi::WindowsMsvc2015Flavor;
             break;
         case 15:
             flavor = Abi::WindowsMsvc2017Flavor;