lld-use-link-atomic-i386.diff Try to workaround a linker error error: undefined reference to '__atomic_load' on sid i386

debian/changelog

@@ -1,6 +1,9 @@
 llvm-toolchain-snapshot (1:12~++20201019021526+5a8ac3cc63d-1~exp1) UNRELEASED; urgency=medium
 
   * experimental New snapshot release
+  * lld-use-link-atomic-i386.diff Try to workaround a linker error
+    error: undefined reference to '__atomic_load'
+    on sid i386
 
  -- Sylvestre Ledru <sylvestre@debian.org>  Mon, 19 Oct 2020 14:19:16 +0200
 

debian/patches/lld-use-link-atomic-i386.diff

@@ -0,0 +1,20 @@
+Index: llvm-toolchain-11-11.0.0/lld/tools/lld/CMakeLists.txt
+===================================================================
+--- llvm-toolchain-11-11.0.0.orig/lld/tools/lld/CMakeLists.txt
++++ llvm-toolchain-11-11.0.0/lld/tools/lld/CMakeLists.txt
+@@ -2,9 +2,14 @@ set(LLVM_LINK_COMPONENTS
+   Support
+   )
+ 
++if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "i386" OR
++   CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "i686")
++  list(APPEND LLD_ATOMIC_LIB "atomic")
++endif()
++
+ add_lld_tool(lld
+   lld.cpp
+-
++  ${LLD_ATOMIC_LIB}
+   SUPPORT_PLUGINS
+   )
+ export_executable_symbols_for_plugins(lld)

debian/patches/series

@@ -132,3 +132,4 @@ disable-fuzzer-compiler-rt-x86.diff
 python3-shebang.patch
 print-lldb-path.patch
 libcxx-armhf-ftbfs.diff
+lld-use-link-atomic-i386.diff