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test-patches/cmakelists-unixtoolchains-lld.patch

@@ -0,0 +1,34 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 2eeaf61e374..640e492cc15 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -897,7 +897,7 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows" AND NOT CMAKE_HOST_SYSTEM_NAME STREQ
+ elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+   set(SWIFT_USE_LINKER_default "")
+ else()
+-  set(SWIFT_USE_LINKER_default "gold")
++  set(SWIFT_USE_LINKER_default "lld")
+ endif()
+ set(SWIFT_USE_LINKER ${SWIFT_USE_LINKER_default} CACHE STRING
+     "Build Swift with a non-default linker")
+diff --git a/lib/Driver/UnixToolChains.cpp b/lib/Driver/UnixToolChains.cpp
+index 61498c144a2..f9f540ec144 100644
+--- a/lib/Driver/UnixToolChains.cpp
++++ b/lib/Driver/UnixToolChains.cpp
+@@ -125,14 +125,14 @@ std::string toolchains::GenericUnix::getDefaultLinker() const {
+     // section on these targets, it also generates COPY relocations for
+     // final executables, as such, unless specified, we default to gold
+     // linker.
+-    return "gold";
++    return "lld";
+   case llvm::Triple::x86:
+   case llvm::Triple::x86_64:
+   case llvm::Triple::ppc64:
+   case llvm::Triple::ppc64le:
+   case llvm::Triple::systemz:
+     // BFD linker has issues wrt relocations against protected symbols.
+-    return "gold";
++    return "lld";
+   default:
+     // Otherwise, use the default BFD linker.
+     return "";