wangle: update compiler.blacklist to include clang of macOS 11

Author: LangArthur

devel/wangle/Portfile

@@ -50,7 +50,7 @@ if {${os.platform} eq "darwin" && ${os.major} < 15} {
 
 # Fix error: invalid output constraint '=@ccc' in asm
 compiler.blacklist-append \
-                    {clang < 1200}
+                    {clang < 1400}
 
 compiler.cxx_standard   2017
 cmake.generator     Ninja