/usr/src/gnu/usr.bin/clang/libclangAST/../../../llvm/clang/lib/AST/Interp/ByteCodeExprGen.cpp:119:18: error: no member named 'emitCast' in 'clang::interp::ByteCodeExprGen '
return this->emitCast(*FromT, *ToT, CE);
~~~~  ^
/usr/src/gnu/usr.bin/clang/libclangAST/../../../llvm/clang/lib/AST/Interp/ByteCodeExprGen.cpp:1428:16: note: in instantiation of member function 'clang::interp::ByteCodeExprGen ::VisitCastExpr' requested here
template class ByteCodeExprGen ;
^
. . . .

fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
*** Error 1 in gnu/usr.bin/clang/libclangAST ( :67 'ByteCodeExprGen.o': @c++ -O2 -pipe  -fno-ret-protector -mno-retpoline -ffunct...)
*** Error 2 in gnu/usr.bin/clang ( :48 'all': @for entry in include/llvm/Config libLLVMSupport libLLVMTableGen llvm-tblgen inc...)
*** Error 2 in gnu/usr.bin ( :48 'all': @for entry in clang cvs binutils binutils-2.17 perl texinfo; do  set -e; if test -d /u...)
*** Error 2 in gnu ( :48 'all': @for entry in lib usr.bin usr.sbin; do  set -e; if test -d /usr/src/gnu/${entry}.amd64; then  ...)
*** Error 2 in . ( :48 'all': @for entry in lib include bin libexec sbin usr.bin usr.sbin share games gnu sys; do  set -e; if ...)
*** Error 2 in . (Makefile:97 'do-build')
*** Error 2 in /usr/src (Makefile:74 'build')
 
 
 
 
 
 
 
 

$ cd /usr
# mv src src.stable
$ cvs -qd anoncvs@anoncvs.example.org:/cvs checkout -P src
# make obj && make build

error: error opening 'ByteCodeStmtGen.o.d': Permission denied

# cd /usr/obj/gnu/usr.bin/clang/libclangAST
# chown build ByteCodeStmtGen.o.d Interp.o.d

$ diff Makefile.orig Makefile
86,87c86,87
<       exec ${MAKE} cleandir
<       exec ${MAKE} includes
---
>       # exec ${MAKE} cleandir
>       # exec ${MAKE} includes

In file included from /usr/src/gnu/usr.bin/clang/lldb-server/../../../llvm/lldb/tools/lldb-server/lldb-gdbserver.cpp:289:
/usr/src/gnu/usr.bin/clang/lldb-server/obj/LLGSOptions.inc:14:1: error: no matching function for call to 'size'
PREFIX(prefix_0, {nullptr})
^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/src/gnu/usr.bin/clang/lldb-server/../../../llvm/lldb/tools/lldb-server/lldb-gdbserver.cpp:288:20: note: expanded from macro 'PREFIX'
NAME##_init, std::size(NAME##_init) - 1);
^~~~~~~~~
/usr/include/c++/v1/__iterator/size.h:30:16: note: candidate template ignored: substitution failure [with _Cont = llvm::StringLiteral[]]: member reference base type 'const llvm::StringLiteral[]' is not a structure or union
constexpr auto size(const _Cont& __c)
.  .  .  .

12 errors generated.
*** Error 1 in gnu/usr.bin/clang/lldb-server ( :124 'lldb-gdbserver.o')
*** Error 2 in gnu/usr.bin/clang ( :48 'all': @for entry in include/llvm/Config libLLVMSupport libLLVMTableGen llvm-tblgen inc...)
*** Error 2 in gnu/usr.bin ( :48 'all': @for entry in clang cvs binutils binutils-2.17 perl texinfo; do  set -e; if test -d /u...)
*** Error 2 in gnu ( :48 'all': @for entry in lib usr.bin usr.sbin; do  set -e; if test -d /usr/src/gnu/${entry}.amd64; then  ...)
*** Error 2 in . ( :48 'all': @for entry in lib include bin libexec sbin usr.bin usr.sbin share games gnu sys; do  set -e; if ...)
*** Error 2 in . (Makefile:97 'do-build')
*** Error 2 in /usr/src (Makefile:74 'build')
 
 
 
 
 

PREFIX(prefix_0, {nullptr})

# cd /usr/src/gnu/llvm/lldb/tools/lldb-server
# diff lldb-gdbserver.cpp.orig lldb-gdbserver.cpp
292c292
< static constexpr opt::OptTable::Info InfoTable[] = {
---
> static opt::OptTable::Info InfoTable[] = {
# cd /usr/obj/gnu/usr.bin/clang/lldb-server
# diff LLGSOptions.inc.orig LLGSOptions.inc
14,17c14,17
< PREFIX(prefix_0, {nullptr})
< PREFIX(prefix_2, {"-" COMMA nullptr})
< PREFIX(prefix_3, {"--" COMMA nullptr})
< PREFIX(prefix_1, {"--" COMMA "-" COMMA nullptr})
---
> PREFIX(prefix_0, {""})
> PREFIX(prefix_2, {"-" COMMA ""})
> PREFIX(prefix_3, {"--" COMMA ""})
> PREFIX(prefix_1, {"--" COMMA "-" COMMA ""})
25c25
< OPTION(nullptr, "connection", grp_connect, Group, INVALID, INVALID, nullptr, 0, 0,
---
> OPTION({""}, "connection", grp_connect, Group, INVALID, INVALID, nullptr, 0, 0,
27c27
< OPTION(nullptr, "general options", grp_general, Group, INVALID, INVALID, nullptr, 0, 0,
---
> OPTION({""}, "general options", grp_general, Group, INVALID, INVALID, "", 0, 0,
29c29
< OPTION(nullptr, "target selection", grp_target, Group, INVALID, INVALID, nullptr, 0, 0,
---
> OPTION({""}, "target selection", grp_target, Group, INVALID, INVALID, nullptr, 0, 0,

# sysmerge
# cd /dev/ && ./MAKEDEV all