This version supports SEH for arm64, fixes certain cases of dllexport
of C++ classes defined entirely in headers (fixing building Qt in
debug mode), and fixes a compiler bug (regression since the end of
August 2018) when compiling glslang (as part of VLC) for armv7.
This makes the help output from llvm-nm contain keywords that libtool
may look for, makes combined compilation and linking with -flto in
one command work, fixes a bug with alignment of locally imported
symbols on arm64, allows using linker directives for specifying
default libraries to link, and allows linking to undefined behaviour
sanitizer.
This fixes cases where llvm built without assertions can hang when
assembling a file that references _GLOBAL_OFFSET_TABLE_ for windows
(which is unsupported; previously this used llvm_unreachable making
it undefined what happens if that really is hit).
This version allows clang to use address sanitizer for mingw,
adds support for linking against import libraries from GNU tools
and makes the linker provide the __CTOR_LIST__ symbol for better
compatibility with binutils based sysroots, and adds support for
thunks for armv7 (allowing linking armv7 binaries over 16 MB).
Doing that speeds up the built clang by around 25% (which is rather
significant) and reduces the size of the clang executable by almost 30%.
But since the mingw target in clang/llvm is less mature and less widely
tested than other llvm targets, running with assertions allows catching
quite a few issues during build instead of ending up with potentially
broken code.
This version fixes issues with linking mingw-style SEH data (making
sure all unwind info is included), adds support for assembler
directives like .rva, which often is used in SEH contexts, and
updates clang's unwind.h to match the libgcc ABI for SEH unwinding.
This allows using GNU binutils strip and objcopy on executables with
dwarf debug info linked by lld.
This also improves clang's handling of detecting known libraries
that override default libraries to link.
This fixes an issue with code generation for functions that needed
a stack probe on armv7, improves llvm-rc and adds a few more options
to the mingw lld frontend.
This version improves llvm-rc to support more rc script features
and features built-in filtering of CPP output in llvm-rc. It also
improves the handling of some def features in llvm-dlltool, allows
producing codeview debug information when targeting mingw and adds
handling of a few more ARM64 relocations in lld.
This version fixes issues with long double math functions on x86_64
(and some mingw-w64 float/double math functions are implemented with
a long double function internally), and adds support for the --kill-at
flag in lld.
This fixes issues with -mms-bitfields together with "long double"
on i686, and allows using the -static flag while building DLLs
(to link dependent libraries statically), and implements stack
probing for alloca calls on aarch64.
Martin Storsjö