diff --git a/debian/qualify-clang.sh b/debian/qualify-clang.sh
index 2ba570f0..a6f4e13e 100755
--- a/debian/qualify-clang.sh
+++ b/debian/qualify-clang.sh
@@ -86,6 +86,26 @@ clang++-$VERSION -c foo.cc
 # Bug 913213
 echo '#include <limits.h>' | clang-$VERSION -E - > /dev/null
 
+# Bug launchpad #1488254
+echo '
+#include <string>
+std::string hello = "Hello, world!\n";
+' > foo.cc
+
+echo '
+#include <string>
+#include <iostream>
+extern std::string hello;
+int main() {
+    std::cout << hello;
+    return 0;
+} ' > bar.cc
+
+g++ -c foo.cc && g++ foo.o bar.cc && ./a.out  > /dev/null || true
+clang++-$VERSION -c foo.cc && clang++-$VERSION foo.o bar.cc && ./a.out  > /dev/null
+g++ -c foo.cc && clang++ foo.o bar.cc && ./a.out  > /dev/null || true
+clang++-$VERSION -c foo.cc -fPIC && g++ foo.o bar.cc && ./a.out > /dev/null || true
+
 # bug 827866
 echo 'bool testAndSet(void *atomic) {
     return __atomic_test_and_set(atomic, __ATOMIC_SEQ_CST);
diff --git a/debian/rules b/debian/rules
index 2ba67bc5..a930ce9c 100755
--- a/debian/rules
+++ b/debian/rules
@@ -808,5 +808,8 @@ override_dh_auto_clean:
 	rm -f $(CURDIR)/clang/tools/clang-format/clang-format-diff-$(LLVM_VERSION)
 	rm -f $(CURDIR)/clang/tools/clang-format/clang-format-$(LLVM_VERSION).py
 	rm -rf libcxx/build libcxxabi/build
+	if test -f lld/docs/ld.lld-$(LLVM_VERSION).1; then \
+		mv lld/docs/ld.lld-$(LLVM_VERSION).1 lld/docs/ld.lld.1; \
+	fi
 
 .PHONY: override_dh_strip preconfigure debian-full-build debian-libfuzzer-build debian-libcxx-build debian-libcxxabi-build