Author: jasonliu Date: 2021-05-27T15:48:53Z New Revision: 7922ff601094585c4b46b2640b7d07986f722c1b
URL: https://github.com/llvm/llvm-project/commit/7922ff601094585c4b46b2640b7d07986f722c1b DIFF: https://github.com/llvm/llvm-project/commit/7922ff601094585c4b46b2640b7d07986f722c1b.diff LOG: [AIX] Add -lc++abi and -lunwind for linking Summary: We are going to have libc++abi.a and libunwind.a on AIX. Add the necessary linking command to pick the libraries up. Reviewed By: daltenty Differential Revision: https://reviews.llvm.org/D102813 Added: Modified: clang/lib/Driver/ToolChain.cpp clang/lib/Driver/ToolChains/AIX.cpp clang/lib/Driver/ToolChains/CommonArgs.cpp clang/test/Driver/aix-ld.c Removed: ################################################################################ diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp index 3342de85fc302..5791805a6711b 100644 --- a/clang/lib/Driver/ToolChain.cpp +++ b/clang/lib/Driver/ToolChain.cpp @@ -788,7 +788,7 @@ ToolChain::UnwindLibType ToolChain::GetUnwindLibType( else if (LibName == "platform" || LibName == "") { ToolChain::RuntimeLibType RtLibType = GetRuntimeLibType(Args); if (RtLibType == ToolChain::RLT_CompilerRT) { - if (getTriple().isAndroid()) + if (getTriple().isAndroid() || getTriple().isOSAIX()) unwindLibType = ToolChain::UNW_CompilerRT; else unwindLibType = ToolChain::UNW_None; diff --git a/clang/lib/Driver/ToolChains/AIX.cpp b/clang/lib/Driver/ToolChains/AIX.cpp index 6cd12e16ec021..ca3fc5af76895 100644 --- a/clang/lib/Driver/ToolChains/AIX.cpp +++ b/clang/lib/Driver/ToolChains/AIX.cpp @@ -221,6 +221,7 @@ void AIX::AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, switch (GetCXXStdlibType(Args)) { case ToolChain::CST_Libcxx: CmdArgs.push_back("-lc++"); + CmdArgs.push_back("-lc++abi"); return; case ToolChain::CST_Libstdcxx: llvm::report_fatal_error("linking libstdc++ unimplemented on AIX"); diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp index b74a9fe3eb927..a1aab21c944ba 100644 --- a/clang/lib/Driver/ToolChains/CommonArgs.cpp +++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp @@ -1444,17 +1444,23 @@ static void AddUnwindLibrary(const ToolChain &TC, const Driver &D, break; } case ToolChain::UNW_CompilerRT: - if (LGT == LibGccType::StaticLibGcc) + if (TC.getTriple().isOSAIX()) { + // AIX only has libunwind as a shared library. So do not pass + // anything in if -static is specified. + if (LGT != LibGccType::StaticLibGcc) + CmdArgs.push_back("-lunwind"); + } else if (LGT == LibGccType::StaticLibGcc) { CmdArgs.push_back("-l:libunwind.a"); - else if (TC.getTriple().isOSCygMing()) { + } else if (TC.getTriple().isOSCygMing()) { if (LGT == LibGccType::SharedLibGcc) CmdArgs.push_back("-l:libunwind.dll.a"); else // Let the linker choose between libunwind.dll.a and libunwind.a // depending on what's available, and depending on the -static flag CmdArgs.push_back("-lunwind"); - } else + } else { CmdArgs.push_back("-l:libunwind.so"); + } break; } diff --git a/clang/test/Driver/aix-ld.c b/clang/test/Driver/aix-ld.c index 467374b937207..62f152fd0eb69 100644 --- a/clang/test/Driver/aix-ld.c +++ b/clang/test/Driver/aix-ld.c @@ -18,7 +18,9 @@ // CHECK-LD32: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o" // CHECK-LD32: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-NOT: "-lc++" +// CHECK-LD32-NOT: "-lc++abi" // CHECK-LD32: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32: "-lunwind" // CHECK-LD32-NOT: "-lm" // CHECK-LD32: "-lc" @@ -39,7 +41,9 @@ // CHECK-LD64: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o" // CHECK-LD64: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o" // CHECK-LD64-NOT: "-lc++" +// CHECK-LD64-NOT: "-lc++abi" // CHECK-LD64: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a" +// CHECK-LD64: "-lunwind" // CHECK-LD64-NOT: "-lm" // CHECK-LD64: "-lc" @@ -61,7 +65,9 @@ // CHECK-LD32-PTHREAD: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o" // CHECK-LD32-PTHREAD: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-PTHREAD-NOT: "-lc++" +// CHECK-LD32-PTHREAD-NOT: "-lc++abi" // CHECK-LD32-PTHREAD: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-PTHREAD: "-lunwind" // CHECK-LD32-PTHREAD: "-lpthreads" // CHECK-LD32-PTHREAD-NOT: "-lm" // CHECK-LD32-PTHREAD: "-lc" @@ -84,7 +90,9 @@ // CHECK-LD64-PTHREAD: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o" // CHECK-LD64-PTHREAD: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o" // CHECK-LD64-PTHREAD-NOT: "-lc++" +// CHECK-LD64-PTHREAD-NOT: "-lc++abi" // CHECK-LD64-PTHREAD: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a" +// CHECK-LD64-PTHREAD: "-lunwind" // CHECK-LD64-PTHREAD: "-lpthreads" // CHECK-LD64-PTHREAD-NOT: "-lm" // CHECK-LD64-PTHREAD: "-lc" @@ -107,7 +115,9 @@ // CHECK-LD32-PROF: "[[SYSROOT]]/usr/lib{{/|\\\\}}mcrt0.o" // CHECK-LD32-PROF: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-PROF-NOT: "-lc++" +// CHECK-LD32-PROF-NOT: "-lc++abi" // CHECK-LD32-PROF: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-PROF: "-lunwind" // CHECK-LD32-PROF-NOT: "-lm" // CHECK-LD32-PROF: "-lc" @@ -129,7 +139,9 @@ // CHECK-LD64-GPROF: "[[SYSROOT]]/usr/lib{{/|\\\\}}gcrt0_64.o" // CHECK-LD64-GPROF: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o" // CHECK-LD64-GPROF-NOT: "-lc++" +// CHECK-LD64-GPROF-NOT: "-lc++abi" // CHECK-LD64-GPROF: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a" +// CHECK-LD64-GPROF: "-lunwind" // CHECK-LD64-GPROF-NOT: "-lm" // CHECK-LD64-GPROF: "-lc" @@ -151,7 +163,9 @@ // CHECK-LD32-STATIC: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o" // CHECK-LD32-STATIC: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-STATIC-NOT: "-lc++" +// CHECK-LD32-STATIC-NOT: "-lc++abi" // CHECK-LD32-STATIC: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-STATIC-NOT: "-lunwind" // CHECK-LD32-STATIC-NOT: "-lm" // CHECK-LD32-STATIC: "-lc" @@ -174,7 +188,9 @@ // CHECK-LD32-LIBP: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-LIBP: "-L[[SYSROOT]]/powerpc-ibm-aix7.1.0.0" // CHECK-LD32-LIBP-NOT: "-lc++" +// CHECK-LD32-LIBP-NOT: "-lc++abi" // CHECK-LD32-LIBP: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-LIBP: "-lunwind" // CHECK-LD32-LIBP-NOT: "-lm" // CHECK-LD32-LIBP: "-lc" @@ -197,7 +213,9 @@ // CHECK-LD32-NO-STD-LIB-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o" // CHECK-LD32-NO-STD-LIB-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-NO-STD-LIB-NOT: "-lc++" +// CHECK-LD32-NO-STD-LIB-NOT: "-lc++abi" // CHECK-LD32-NO-STD-LIB-NOT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-NO-STD-LIB-NOT: "-lunwind" // CHECK-LD32-NO-STD-LIB-NOT: "-lpthreads" // CHECK-LD32-NO-STD-LIB-NOT: "-lm" // CHECK-LD32-NO-STD-LIB-NOT: "-lc" @@ -221,7 +239,9 @@ // CHECK-LD64-NO-DEFAULT-LIBS: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o" // CHECK-LD64-NO-DEFAULT-LIBS: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o" // CHECK-LD64-NO-DEFAULT-LIBS-NOT: "-lc++" +// CHECK-LD64-NO-DEFAULT-LIBS-NOT: "-lc++abi" // CHECK-LD64-NO-DEFAULT-LIBS-NOT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a" +// CHECK-LD64-NO-DEFAULT-LIBS-NOT: "-lunwind" // CHECK-LD64-NO-DEFAULT-LIBS-NOT: "-lpthreads" // CHECK-LD64-NO-DEFAULT-LIBS-NOT: "-lm" // CHECK-LD64-NO-DEFAULT-LIBS-NOT: "-lc" @@ -246,7 +266,9 @@ // CHECK-LD32-ARG-ORDER: "-bnocdtors" // CHECK-LD32-ARG-ORDER-NOT: "-bcdtors:all:0:s" // CHECK-LD32-ARG-ORDER-NOT: "-lc++" +// CHECK-LD32-ARG-ORDER-NOT: "-lc++abi" // CHECK-LD32-ARG-ORDER: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-ARG-ORDER: "-lunwind" // CHECK-LD32-ARG-ORDER-NOT: "-lm" // CHECK-LD32-ARG-ORDER: "-lc" @@ -270,7 +292,9 @@ // CHECK-LD32-CXX-ARG-ORDER: "-bnocdtors" // CHECK-LD32-CXX-ARG-ORDER-NOT: "-bcdtors:all:0:s" // CHECK-LD32-CXX-ARG-ORDER: "-lc++" +// CHECK-LD32-CXX-ARG-ORDER: "-lc++abi" // CHECK-LD32-CXX-ARG-ORDER: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-CXX-ARG-ORDER: "-lunwind" // CHECK-LD32-CXX-ARG-ORDER: "-lm" // CHECK-LD32-CXX-ARG-ORDER: "-lc" @@ -289,7 +313,9 @@ // CHECK-LD32-CXX-ARG-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o" // CHECK-LD32-CXX-ARG-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-CXX-ARG-LCXX: "-lc++" +// CHECK-LD32-CXX-ARG-LCXX: "-lc++abi" // CHECK-LD32-CXX-ARG-LCXX: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-CXX-ARG-LCXX: "-lunwind" // CHECK-LD32-CXX-ARG-LCXX: "-lm" // CHECK-LD32-CXX-ARG-LCXX: "-lc" @@ -308,7 +334,9 @@ // CHECK-LD64-CXX-ARG-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o" // CHECK-LD64-CXX-ARG-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o" // CHECK-LD64-CXX-ARG-LCXX: "-lc++" +// CHECK-LD64-CXX-ARG-LCXX: "-lc++abi" // CHECK-LD64-CXX-ARG-LCXX: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a" +// CHECK-LD64-CXX-ARG-LCXX: "-lunwind" // CHECK-LD64-CXX-ARG-LCXX: "-lm" // CHECK-LD64-CXX-ARG-LCXX: "-lc" @@ -328,7 +356,9 @@ // CHECK-LD32-NODEFLIB-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o" // CHECK-LD32-NODEFLIB-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-NODEFLIB-LCXX-NOT: "-lc++" +// CHECK-LD32-NODEFLIB-LCXX-NOT: "-lc++abi" // CHECK-LD32-NODEFLIB-LCXX-NOT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-NODEFLIB-LCXX-NOT: "-lunwind" // CHECK-LD32-NODEFLIB-LCXX-NOT: "-lm" // CHECK-LD32-NODEFLIB-LCXX-NOT: "-lc" @@ -348,7 +378,9 @@ // CHECK-LD64-NODEFLIB-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o" // CHECK-LD64-NODEFLIB-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o" // CHECK-LD64-NODEFLIB-LCXX-NOT: "-lc++" +// CHECK-LD64-NODEFLIB-LCXX-NOT: "-lc++abi" // CHECK-LD64-NODEFLIB-LCXX-NOT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a" +// CHECK-LD64-NODEFLIB-LCXX-NOT: "-lunwind" // CHECK-LD64-NODEFLIB-LCXX-NOT: "-lm" // CHECK-LD64-NODEFLIB-LCXX-NOT: "-lc" @@ -368,7 +400,9 @@ // CHECK-LD32-NOSTDLIB-LCXX-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o" // CHECK-LD32-NOSTDLIB-LCXX-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-NOSTDLIB-LCXX-NOT: "-lc++" +// CHECK-LD32-NOSTDLIB-LCXX-NOT: "-lc++abi" // CHECK-LD32-NOSTDLIB-LCXX-NOT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-NOSTDLIB-LCXX-NOT: "-lunwind" // CHECK-LD32-NOSTDLIB-LCXX-NOT: "-lm" // CHECK-LD32-NOSTDLIB-LCXX-NOT: "-lc" @@ -388,7 +422,9 @@ // CHECK-LD64-NOSTDLIB-LCXX-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o" // CHECK-LD64-NOSTDLIB-LCXX-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o" // CHECK-LD64-NOSTDLIB-LCXX-NOT: "-lc++" +// CHECK-LD64-NOSTDLIB-LCXX-NOT: "-lc++abi" // CHECK-LD64-NOSTDLIB-LCXX-NOT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a" +// CHECK-LD64-NOSTDLIB-LCXX-NOT: "-lunwind" // CHECK-LD64-NOSTDLIB-LCXX-NOT: "-lm" // CHECK-LD64-NOSTDLIB-LCXX-NOT: "-lc" @@ -409,7 +445,9 @@ // CHECK-LD32-NOSTDLIBXX-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o" // CHECK-LD32-NOSTDLIBXX-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-NOSTDLIBXX-LCXX-NOT: "-lc++" +// CHECK-LD32-NOSTDLIBXX-LCXX-NOT: "-lc++abi" // CHECK-LD32-NOSTDLIBXX-LCXX: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-NOSTDLIBXX-LCXX: "-lunwind" // CHECK-LD32-NOSTDLIBXX-LCXX: "-lm" // CHECK-LD32-NOSTDLIBXX-LCXX: "-lc" @@ -429,7 +467,9 @@ // CHECK-LD64-NOSTDLIBXX-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o" // CHECK-LD64-NOSTDLIBXX-LCXX: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o" // CHECK-LD64-NOSTDLIBXX-LCXX-NOT: "-lc++" +// CHECK-LD64-NOSTDLIBXX-LCXX-NOT: "-lc++abi" // CHECK-LD64-NOSTDLIBXX-LCXX: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a" +// CHECK-LD64-NOSTDLIBXX-LCXX: "-lunwind" // CHECK-LD64-NOSTDLIBXX-LCXX: "-lm" // CHECK-LD64-NOSTDLIBXX-LCXX: "-lc" @@ -449,7 +489,9 @@ // CHECK-LD32-NOSTARTFILES-LCXX-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o" // CHECK-LD32-NOSTARTFILES-LCXX-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-NOSTARTFILES-LCXX: "-lc++" +// CHECK-LD32-NOSTARTFILES-LCXX: "-lc++abi" // CHECK-LD32-NOSTARTFILES-LCXX: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-NOSTARTFILES-LCXX: "-lunwind" // CHECK-LD32-NOSTARTFILES-LCXX: "-lm" // CHECK-LD32-NOSTARTFILES-LCXX: "-lc" @@ -469,7 +511,9 @@ // CHECK-LD64-NOSTARTFILES-LCXX-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o" // CHECK-LD64-NOSTARTFILES-LCXX-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o" // CHECK-LD64-NOSTARTFILES-LCXX: "-lc++" +// CHECK-LD64-NOSTARTFILES-LCXX: "-lc++abi" // CHECK-LD64-NOSTARTFILES-LCXX: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a" +// CHECK-LD64-NOSTARTFILES-LCXX: "-lunwind" // CHECK-LD64-NOSTARTFILES-LCXX: "-lm" // CHECK-LD64-NOSTARTFILES-LCXX: "-lc" @@ -506,7 +550,9 @@ // CHECK-LD32-SHARED-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o" // CHECK-LD32-SHARED-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-LD32-SHARED: "-lc++" +// CHECK-LD32-SHARED: "-lc++abi" // CHECK-LD32-SHARED: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a" +// CHECK-LD32-SHARED: "-lunwind" // CHECK-LD32-SHARED: "-lm" // CHECK-LD32-SHARED: "-lc" @@ -528,6 +574,8 @@ // CHECK-LD64-SHARED-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o" // CHECK-LD64-SHARED-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o" // CHECK-LD64-SHARED: "-lc++" +// CHECK-LD64-SHARED: "-lc++abi" // CHECK-LD64-SHARED: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a" +// CHECK-LD64-SHARED: "-lunwind" // CHECK-LD64-SHARED: "-lm" // CHECK-LD64-SHARED: "-lc" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits