Issue compiling with incoming branch of emscripten

[hakusdream]

[  0%] Built target LLVMTableGen
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/home/rebecca/workspace/emscripten-fastcomp/tools/clang/utils/TableGen/ClangAttrEmitter.cpp: In function ‘std::unique_ptr<{anonymous}::Argument> createArgument(const llvm::Record&, llvm::StringRef, const llvm::Record*)’:
/home/rebecca/workspace/emscripten-fastcomp/tools/clang/utils/TableGen/ClangAttrEmitter.cpp:1075:54: error: conversion from ‘llvm::ArrayRef<std::pair<llvm::Record*, llvm::SMRange> >’ to non-scalar type ‘llvm::ArrayRef<llvm::Record*>’ requested
     ArrayRef<Record*> Bases = Search->getSuperClasses();
                                                      ^
/home/rebecca/workspace/emscripten-fastcomp/tools/clang/utils/TableGen/ClangAttrEmitter.cpp: In function ‘void emitClangAttrTypeArgList(llvm::RecordKeeper&, llvm::raw_ostream&)’:
/home/rebecca/workspace/emscripten-fastcomp/tools/clang/utils/TableGen/ClangAttrEmitter.cpp:1384:42: error: base operand of ‘->’ has non-pointer type ‘const std::pair<llvm::Record*, llvm::SMRange>’
     if (Args[0]->getSuperClasses().back()->getName() != "TypeArgument")
                                          ^
/home/rebecca/workspace/emscripten-fastcomp/tools/clang/utils/TableGen/ClangAttrEmitter.cpp: In function ‘bool isIdentifierArgument(llvm::Record*)’:
/home/rebecca/workspace/emscripten-fastcomp/tools/clang/utils/TableGen/ClangAttrEmitter.cpp:1422:59: error: base operand of ‘->’ has non-pointer type ‘const std::pair<llvm::Record*, llvm::SMRange>’
     llvm::StringSwitch<bool>(Arg->getSuperClasses().back()->getName())
                                                           ^
/home/rebecca/workspace/emscripten-fastcomp/tools/clang/utils/TableGen/ClangAttrEmitter.cpp: In function ‘void clang::EmitClangAttrClass(llvm::RecordKeeper&, llvm::raw_ostream&)’:
/home/rebecca/workspace/emscripten-fastcomp/tools/clang/utils/TableGen/ClangAttrEmitter.cpp:1479:50: error: conversion from ‘llvm::ArrayRef<std::pair<llvm::Record*, llvm::SMRange> >’ to non-scalar type ‘llvm::ArrayRef<llvm::Record*>’ requested
     ArrayRef<Record *> Supers = R.getSuperClasses();
                                                  ^
tools/clang/utils/TableGen/CMakeFiles/obj.clang-tblgen.dir/build.make:86: recipe for target 'tools/clang/utils/TableGen/CMakeFiles/obj.clang-tblgen.dir/ClangAttrEmitter.cpp.o' failed
make[2]: *** [tools/clang/utils/TableGen/CMakeFiles/obj.clang-tblgen.dir/ClangAttrEmitter.cpp.o] Error 1
CMakeFiles/Makefile2:6747: recipe for target 'tools/clang/utils/TableGen/CMakeFiles/obj.clang-tblgen.dir/all' failed
make[1]: *** [tools/clang/utils/TableGen/CMakeFiles/obj.clang-tblgen.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
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lib/IR/CMakeFiles/LLVMCore.dir/build.make:374: recipe for target 'lib/IR/CMakeFiles/LLVMCore.dir/DebugLoc.cpp.o' failed
make[2]: *** [lib/IR/CMakeFiles/LLVMCore.dir/DebugLoc.cpp.o] Interrupt
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CMakeFiles/Makefile2:564: recipe for target 'lib/IR/CMakeFiles/LLVMCore.dir/all' failed
make[1]: *** [lib/IR/CMakeFiles/LLVMCore.dir/all] Interrupt
Makefile:138: recipe for target 'all' failed

[kripken]

I haven't seen that error before. My first guess is that this is LLVM code that requires a newer compiler than you are using. Which compiler is this with?

[hakusdream]

Recent GCC 5.4.0 on Ubuntu 16.04.

Emscripten was built as per official directions with a custom install prefix.

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/5/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 5.4.0-6ubuntu1~16.04.2' --with-bugurl=file:///usr/share/doc/gcc-5/README.Bugs --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-5 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-5-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-5-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-5-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.2)

[ricejasonf]

It could be that fastcomp and fastcomp-clang are not both on the latest version of the incoming branch so they are not compatible.
error: conversion from ‘llvm::ArrayRef<std::pair<llvm::Record*, llvm::SMRange> >’ to non-scalar type ‘llvm::ArrayRef<llvm::Record*>’

[hakusdream]

I'm thinking it's something with my build environment, because a previous build without clang cloned at the correct location generated static library archives with sizes up to 500 MB.

[kripken]

@ricejasonf: that sounds possible.

If it's not that, then since that code should be identical in upstream LLVM, worth trying to build LLVM 3.9 in the release branch in svn.

[hakusdream]

@kripken: Will do.