Fix for PR 77940: Missing built-ins for mingw
Option -dD is added to the default generate external scanner info command. GCCSpecsConsoleParser is updated to properly handle results of this option.
Fix for PR 77940: Missing built-ins for mingw
Addendum: Symbol definitions as a result of -dD option are written to the standard error stream since gcc version 3.4.x. This is now proprly handled.