Gold: Patch linker to fix LTO related bugs.

third_party/binutils/build-all.sh

Index: third_party/binutils/build-all.sh
diff --git a/third_party/binutils/build-all.sh b/third_party/binutils/build-all.sh
index fc00db19921463bae49642f8fb3c776c10ecd6c5..a39984ca2b304ade9dee49438fce7996b98170d5 100755
--- a/third_party/binutils/build-all.sh
+++ b/third_party/binutils/build-all.sh
@@ -44,6 +44,8 @@ if [ ! -d binutils-$VERSION ]; then
   (
     cd binutils-$VERSION
     patch -p1 < ../ehframe-race.patch
+    patch -p1 < ../unlock-thin.patch
+    patch -p1 < ../plugin-dso-fix.patch
   )
 fi
 
@@ -106,6 +108,10 @@ for ARCH in i386 amd64; do
   # Copy them out of the chroot
   cp -a "$BUILDDIR/output/$ARCHNAME" "$OUTPUTDIR"
 
+  # Copy plugin header out of the chroot
+  mkdir "$OUTPUTDIR/$ARCHNAME/include"
+  cp "$BUILDDIR/binutils-$VERSION/include/plugin-api.h" "$OUTPUTDIR/$ARCHNAME/include/"
+
   # Clean up chroot
   sudo rm -rf "$BUILDDIR"
 done