Make PreprocessorOptions::DetailedRecordIncludesNestedMacroExpansions false by default.

Recording nested macro expansions is not useful, plus it fixes rdar://10893630

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150995 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed