Compilation error on llvm 3.6

[yuyichao]

debuginfo.cpp: In function 'void lookup_pointer(llvm::DIContext*, char**, size_t*, char**, size_t*, char**, size_t, int, int*)':
debuginfo.cpp:521:35: error: 'struct llvm::DILineInfo' has no member named 'getLine'
         *inlinedat_line = topinfo.getLine();

I guess this is the inline info PR?
https://github.com/JuliaLang/julia/pull/12544/files#diff-d4b80bf89e46982070f234dd7cc344a9R521

@ihnorton

[thiagopeixoto]

struct llvm::DILineInfo has a member named Line.