Remove xcode-11 from integration

Fix MSVC build

Author: florianbecker

.github/workflows/integrate.yml

@@ -24,7 +24,6 @@ jobs:
           ubuntu-20.04-clang-11,
           windows-2016-msvc2017,
           windows-2019-msvc2019,
-          macos-10.15-xcode-11,
           macos-10.15-xcode-11.4,
           macos-10.15-xcode-12,
           macos-11.0-x86_64,
@@ -77,11 +76,6 @@ jobs:
             compiler: cl
             version: "Visual Studio 16 2019"
 
-          - name: macOS-10.15-xcode-11
-            os: macOS-10.15
-            compiler: xcode
-            version: "11"
-
           - name: macOS-10.15-xcode-11.4
             os: macOS-10.15
             compiler: xcode

3rdparty/source_location.hpp

@@ -8,6 +8,12 @@
 namespace nostd {
 struct source_location {
 public:
+#ifdef MSVC
+  static constexpr source_location current(const char* fileName = "unsupported",
+      const char* functionName = "unsupported",
+      const uint_least32_t lineNumber = 0,
+      const uint_least32_t columnOffset = 0) noexcept
+#else
 #if defined(__clang__) and (__clang_major__ >= 9)
     static constexpr source_location current(const char* fileName = __builtin_FILE(),
         const char* functionName = __builtin_FUNCTION(),
@@ -23,6 +29,7 @@ struct source_location {
         const char* functionName = "unsupported",
         const uint_least32_t lineNumber = 0,
         const uint_least32_t columnOffset = 0) noexcept
+#endif
 #endif
     {
         return source_location(fileName, functionName, lineNumber, columnOffset);