Clean up more for windows builds in strip-llvm.sh

On windows, symlinks might be changed into regular copies, so we keep
as few extra symlinks as possible.

strip-llvm.sh

@@ -10,7 +10,7 @@ PREFIX="$1"
 cd "$PREFIX"
 
 cd bin
-for i in bugpoint c-index-test clang-* diagtool dsymutil git-clang-format hmaptool llc lli llvm-* obj2yaml opt sancov sanstats scan-build scan-view verify-uselistorder yaml2obj; do
+for i in bugpoint c-index-test clang-* diagtool dsymutil git-clang-format hmaptool ld64.lld llc lli llvm-* obj2yaml opt sancov sanstats scan-build scan-view verify-uselistorder wasm-ld yaml2obj libclang.dll LTO.dll *.bat; do
     basename=$i
     if [ -n "$EXEEXT" ]; then
         # Some in the list are expanded globs, some are plain names we list.
@@ -41,6 +41,11 @@ for i in bugpoint c-index-test clang-* diagtool dsymutil git-clang-format hmapto
         ;;
     llvm-ar|llvm-cvtres|llvm-dlltool|llvm-nm|llvm-objdump|llvm-ranlib|llvm-rc|llvm-readobj|llvm-strings|llvm-pdbutil)
         ;;
+    ld64.lld|wasm-ld)
+        if [ -e $i ]; then
+            rm $i
+        fi
+        ;;
     *)
         if [ -f $i ]; then
             rm $i
@@ -51,6 +56,22 @@ for i in bugpoint c-index-test clang-* diagtool dsymutil git-clang-format hmapto
         ;;
     esac
 done
+if [ -n "$EXEEXT" ]; then
+    # Convert these two from symlinks to regular files, so we can remove
+    # the one they point to. On MSYS, and if packaging built toolchains
+    # in a zip file, symlinks are converted into copies.
+    # lld-link isn't used normally, but can be useful for debugging/testing.
+    for i in ld.lld lld-link; do
+        if [ -L $i$EXEEXT ]; then
+            cp $i$EXEEXT tmp
+            rm $i$EXEEXT
+            mv tmp $i$EXEEXT
+        fi
+    done
+    rm -f lld$EXEEXT
+    # Remove superfluous frontends; these aren't really used.
+    rm -f clang-cpp* clang++*
+fi
 cd ..
 rm -rf share libexec
 cd include