Add checks for -lresolv to sanitizer-ld test. These were missed in https://reviews.llvm.org/D127145.

clang/test/Driver/sanitizer-ld.c

 // CHECK-ASAN-LINUX-NOT: "-lc"
 // CHECK-ASAN-LINUX: libclang_rt.asan-i386.a"
 // CHECK-ASAN-LINUX-NOT: "--export-dynamic"
 // CHECK-ASAN-LINUX: "--dynamic-list={{.*}}libclang_rt.asan-i386.a.syms"
 // CHECK-ASAN-LINUX-NOT: "--export-dynamic"
 // CHECK-ASAN-LINUX: "-lpthread"
 // CHECK-ASAN-LINUX: "-lrt"
 // CHECK-ASAN-LINUX: "-ldl"
+// CHECK-ASAN-LINUX: "-lresolv"
 
 // RUN: %clang -fsanitize=address -fno-sanitize-link-runtime -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-NO-LINK-RUNTIME-LINUX %s
 //
 // CHECK-ASAN-NO-LINK-RUNTIME-LINUX-NOT: libclang_rt.asan-x86_64

 // CHECK-SHARED-ASAN-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-SHARED-ASAN-LINUX-NOT: "-lc"
 // CHECK-SHARED-ASAN-LINUX-NOT: libclang_rt.asan-i386.a"
 // CHECK-SHARED-ASAN-LINUX: libclang_rt.asan-i386.so"
 // CHECK-SHARED-ASAN-LINUX: "--whole-archive" "{{.*}}libclang_rt.asan-preinit-i386.a" "--no-whole-archive"
 // CHECK-SHARED-ASAN-LINUX-NOT: "-lpthread"
 // CHECK-SHARED-ASAN-LINUX-NOT: "-lrt"
 // CHECK-SHARED-ASAN-LINUX-NOT: "-ldl"
+// CHECK-SHARED-ASAN-LINUX-NOT: "-lresolv"
 // CHECK-SHARED-ASAN-LINUX-NOT: "--export-dynamic"
 // CHECK-SHARED-ASAN-LINUX-NOT: "--dynamic-list"
 
 // RUN: %clang -### %s -o %t.so -shared 2>&1 \
 // RUN:     --target=i386-unknown-linux -fuse-ld=ld -fsanitize=address -shared-libsan \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DSO-SHARED-ASAN-LINUX %s
 //
 // CHECK-DSO-SHARED-ASAN-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-DSO-SHARED-ASAN-LINUX-NOT: "-lc"
 // CHECK-DSO-SHARED-ASAN-LINUX-NOT: libclang_rt.asan-i386.a"
 // CHECK-DSO-SHARED-ASAN-LINUX-NOT: "libclang_rt.asan-preinit-i386.a"
 // CHECK-DSO-SHARED-ASAN-LINUX: libclang_rt.asan-i386.so"
 // CHECK-DSO-SHARED-ASAN-LINUX-NOT: "-lpthread"
 // CHECK-DSO-SHARED-ASAN-LINUX-NOT: "-lrt"
 // CHECK-DSO-SHARED-ASAN-LINUX-NOT: "-ldl"
+// CHECK-DSO-SHARED-ASAN-LINUX-NOT: "-lresolv"
 // CHECK-DSO-SHARED-ASAN-LINUX-NOT: "--export-dynamic"
 // CHECK-DSO-SHARED-ASAN-LINUX-NOT: "--dynamic-list"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=i386-unknown-freebsd -fuse-ld=ld -fsanitize=address \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_freebsd_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-FREEBSD %s
 //
 // CHECK-ASAN-FREEBSD: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-ASAN-FREEBSD-NOT: "-lc"
 // CHECK-ASAN-FREEBSD-NOT: libclang_rt.asan_cxx
 // CHECK-ASAN-FREEBSD: freebsd{{/|\\+}}libclang_rt.asan-i386.a"
 // CHECK-ASAN-FREEBSD-NOT: libclang_rt.asan_cxx
 // CHECK-ASAN-FREEBSD-NOT: "--dynamic-list"
 // CHECK-ASAN-FREEBSD: "--export-dynamic"
 // CHECK-ASAN-FREEBSD: "-lpthread"
 // CHECK-ASAN-FREEBSD: "-lrt"
+// CHECK-ASAN-FREEBSD: "-lresolv"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=i386-unknown-freebsd -fuse-ld=ld -fsanitize=address \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_freebsd_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-FREEBSD-LDL %s
 //
 // CHECK-ASAN-FREEBSD-LDL: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"

 // CHECK-ASAN-LINUX-CXX: "--whole-archive" "{{.*}}libclang_rt.asan-i386.a" "--no-whole-archive"
 // CHECK-ASAN-LINUX-CXX: "--whole-archive" "{{.*}}libclang_rt.asan_cxx-i386.a" "--no-whole-archive"
 // CHECK-ASAN-LINUX-CXX-NOT: "--dynamic-list"
 // CHECK-ASAN-LINUX-CXX: "--export-dynamic"
 // CHECK-ASAN-LINUX-CXX: stdc++
 // CHECK-ASAN-LINUX-CXX: "-lpthread"
 // CHECK-ASAN-LINUX-CXX: "-lrt"
 // CHECK-ASAN-LINUX-CXX: "-ldl"
+// CHECK-ASAN-LINUX-CXX: "-lresolv"
 
 // RUN: %clang -### %s -o /dev/null -fsanitize=address \
 // RUN:     --target=i386-unknown-linux -fuse-ld=ld -stdlib=platform \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree -lstdc++ -static 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-LINUX-CXX-STATIC %s
 //
 // CHECK-ASAN-LINUX-CXX-STATIC: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"

 // RUN:     --target=arm-linux-androideabi -fuse-ld=ld -fsanitize=address \
 // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-ANDROID %s
 //
 // CHECK-ASAN-ANDROID: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-ASAN-ANDROID: "-pie"
 // CHECK-ASAN-ANDROID-NOT: "-lc"
 // CHECK-ASAN-ANDROID-NOT: "-lpthread"
+// CHECK-ASAN-ANDROID-NOT: "-lresolv"
 // CHECK-ASAN-ANDROID: libclang_rt.asan-arm-android.so"
 // CHECK-ASAN-ANDROID-NOT: "-lpthread"
+// CHECK-ASAN-ANDROID-NOT: "-lresolv"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=arm-linux-androideabi -fuse-ld=ld -fsanitize=address \
 // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
 // RUN:     -static-libsan \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-ANDROID-STATICLIBASAN %s
 //
 // CHECK-ASAN-ANDROID-STATICLIBASAN: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-ASAN-ANDROID-STATICLIBASAN: libclang_rt.asan-arm-android.a"
 // CHECK-ASAN-ANDROID-STATICLIBASAN-NOT: "-lpthread"
 // CHECK-ASAN-ANDROID-STATICLIBASAN-NOT: "-lrt"
+// CHECK-ASAN-ANDROID-STATICLIBASAN-NOT: "-lresolv"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=arm-linux-androideabi -fuse-ld=ld -fsanitize=undefined \
 // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
 // RUN:   | FileCheck --check-prefix=CHECK-UBSAN-ANDROID %s
 //
 // CHECK-UBSAN-ANDROID: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-UBSAN-ANDROID: "-pie"
 // CHECK-UBSAN-ANDROID-NOT: "-lc"
 // CHECK-UBSAN-ANDROID-NOT: "-lpthread"
+// CHECK-UBSAN-ANDROID-NOT: "-lresolv"
 // CHECK-UBSAN-ANDROID: libclang_rt.ubsan_standalone-arm-android.so"
 // CHECK-UBSAN-ANDROID-NOT: "-lpthread"
+// CHECK-UBSAN-ANDROID-NOT: "-lresolv"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=arm-linux-androideabi -fuse-ld=ld -fsanitize=undefined \
 // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
 // RUN:     -static-libsan \
 // RUN:   | FileCheck --check-prefix=CHECK-UBSAN-ANDROID-STATICLIBASAN %s
 //
 // CHECK-UBSAN-ANDROID-STATICLIBASAN: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-UBSAN-ANDROID-STATICLIBASAN: libclang_rt.ubsan_standalone-arm-android.a"
 // CHECK-UBSAN-ANDROID-STATICLIBASAN-NOT: "-lpthread"
 // CHECK-UBSAN-ANDROID-STATICLIBASAN-NOT: "-lrt"
+// CHECK-UBSAN-ANDROID-STATICLIBASAN-NOT: "-lresolv"
 
 //
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=i686-linux-android -fuse-ld=ld -fsanitize=address \
 // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-ANDROID-X86 %s
 //
 // CHECK-ASAN-ANDROID-X86: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-ASAN-ANDROID-X86: "-pie"
 // CHECK-ASAN-ANDROID-X86-NOT: "-lc"
 // CHECK-ASAN-ANDROID-X86-NOT: "-lpthread"
+// CHECK-ASAN-ANDROID-X86-NOT: "-lresolv"
 // CHECK-ASAN-ANDROID-X86: libclang_rt.asan-i686-android.so"
 // CHECK-ASAN-ANDROID-X86-NOT: "-lpthread"
+// CHECK-ASAN-ANDROID-X86-NOT: "-lresolv"
 //
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=arm-linux-androideabi -fsanitize=address \
 // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
 // RUN:     -shared-libsan \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-ANDROID-SHARED-LIBASAN %s
 //
 // CHECK-ASAN-ANDROID-SHARED-LIBASAN-NOT: argument unused during compilation: '-shared-libsan'
 //
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=arm-linux-androideabi -fuse-ld=ld -fsanitize=address \
 // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
 // RUN:     -shared \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-ANDROID-SHARED %s
 //
 // CHECK-ASAN-ANDROID-SHARED: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-ASAN-ANDROID-SHARED-NOT: "-lc"
 // CHECK-ASAN-ANDROID-SHARED: libclang_rt.asan-arm-android.so"
 // CHECK-ASAN-ANDROID-SHARED-NOT: "-lpthread"
+// CHECK-ASAN-ANDROID-SHARED-NOT: "-lresolv"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=sparcel-myriad-rtems-elf -fuse-ld=ld -fsanitize=address \
 // RUN:     --sysroot=%S/Inputs/basic_myriad_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-MYRIAD %s
 //
 // CHECK-ASAN-MYRIAD: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-ASAN-MYRIAD-NOT: "-lc"

 // CHECK-TSAN-LINUX-CXX: "--dynamic-list={{.*}}libclang_rt.tsan-x86_64.a.syms"
 // CHECK-TSAN-LINUX-CXX: "--whole-archive" "{{.*}}libclang_rt.tsan_cxx-x86_64.a" "--no-whole-archive"
 // CHECK-TSAN-LINUX-CXX: "--dynamic-list={{.*}}libclang_rt.tsan_cxx-x86_64.a.syms"
 // CHECK-TSAN-LINUX-CXX-NOT: "--export-dynamic"
 // CHECK-TSAN-LINUX-CXX: stdc++
 // CHECK-TSAN-LINUX-CXX: "-lpthread"
 // CHECK-TSAN-LINUX-CXX: "-lrt"
 // CHECK-TSAN-LINUX-CXX: "-ldl"
+// CHECK-TSAN-LINUX-CXX: "-lresolv"
 
 // RUN: %clang -fsanitize=thread -fno-sanitize-link-runtime -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-TSAN-NO-LINK-RUNTIME-LINUX %s
 //
 // CHECK-TSAN-NO-LINK-RUNTIME-LINUX-NOT: libclang_rt.tsan

 // CHECK-MSAN-LINUX-CXX: "--dynamic-list={{.*}}libclang_rt.msan-x86_64.a.syms"
 // CHECK-MSAN-LINUX-CXX: "--whole-archive" "{{.*}}libclang_rt.msan_cxx-x86_64.a" "--no-whole-archive"
 // CHECK-MSAN-LINUX-CXX: "--dynamic-list={{.*}}libclang_rt.msan_cxx-x86_64.a.syms"
 // CHECK-MSAN-LINUX-CXX-NOT: "--export-dynamic"
 // CHECK-MSAN-LINUX-CXX: stdc++
 // CHECK-MSAN-LINUX-CXX: "-lpthread"
 // CHECK-MSAN-LINUX-CXX: "-lrt"
 // CHECK-MSAN-LINUX-CXX: "-ldl"
+// CHECK-MSAN-LINUX-CXX: "-lresolv"
 
 // RUN: %clang -fsanitize=memory -fno-sanitize-link-runtime -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-MSAN-NO-LINK-RUNTIME-LINUX %s
 //
 // CHECK-MSAN-NO-LINK-RUNTIME-LINUX-NOT: libclang_rt.msan

 // CHECK-UBSAN-LINUX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-UBSAN-LINUX-NOT: libclang_rt.asan
 // CHECK-UBSAN-LINUX-NOT: libclang_rt.ubsan_standalone_cxx
 // CHECK-UBSAN-LINUX: "--whole-archive" "{{.*}}libclang_rt.ubsan_standalone-x32.a" "--no-whole-archive"
 // CHECK-UBSAN-LINUX-NOT: libclang_rt.asan
 // CHECK-UBSAN-LINUX-NOT: libclang_rt.ubsan_standalone_cxx
 // CHECK-UBSAN-LINUX-NOT: "-lstdc++"
 // CHECK-UBSAN-LINUX: "-lpthread"
+// CHECK-UBSAN-LINUX: "-lresolv"
 
 // RUN: %clang -fsanitize=undefined -fno-sanitize-link-runtime -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-UBSAN-NO-LINK-RUNTIME-LINUX %s
 //
 // CHECK-UBSAN-NO-LINK-RUNTIME-LINUX-NOT: libclang_rt.undefined

 // CHECK-UBSAN-LINUX-CXX-NOT: libclang_rt.asan
 // CHECK-UBSAN-LINUX-CXX: "--whole-archive" "{{.*}}libclang_rt.ubsan_standalone-i386.a" "--no-whole-archive"
 // CHECK-UBSAN-LINUX-CXX-NOT: libclang_rt.asan
 // CHECK-UBSAN-LINUX-CXX: "--whole-archive" "{{.*}}libclang_rt.ubsan_standalone_cxx-i386.a" "--no-whole-archive"
 // CHECK-UBSAN-LINUX-CXX-NOT: libclang_rt.asan
 // CHECK-UBSAN-LINUX-CXX: "-lstdc++"
 // CHECK-UBSAN-LINUX-CXX-NOT: libclang_rt.asan
 // CHECK-UBSAN-LINUX-CXX: "-lpthread"
+// CHECK-UBSAN-LINUX-CXX: "-lresolv"
 
 // RUN: %clang -fsanitize=undefined -fsanitize-minimal-runtime -### %s 2>&1 \
 // RUN:     --target=i386-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-UBSAN-MINIMAL-LINUX %s
 // CHECK-UBSAN-MINIMAL-LINUX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-UBSAN-MINIMAL-LINUX: "--whole-archive" "{{.*}}libclang_rt.ubsan_minimal-i386.a" "--no-whole-archive"
 // CHECK-UBSAN-MINIMAL-LINUX: "-lpthread"
+// CHECK-UBSAN-MINIMAL-LINUX: "-lresolv"
 
 // RUN: %clang -fsanitize=undefined -fsanitize-minimal-runtime -### %s 2>&1 \
 // RUN:     --target=x86_64-apple-darwin -fuse-ld=ld \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-UBSAN-MINIMAL-DARWIN %s
 // CHECK-UBSAN-MINIMAL-DARWIN: "{{.*}}ld{{(.exe)?}}"
 // CHECK-UBSAN-MINIMAL-DARWIN: "{{.*}}libclang_rt.ubsan_minimal_osx_dynamic.dylib"
 

 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-UBSAN-LINUX %s
 // CHECK-ASAN-UBSAN-LINUX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-ASAN-UBSAN-LINUX: "--whole-archive" "{{.*}}libclang_rt.asan-i386.a" "--no-whole-archive"
 // CHECK-ASAN-UBSAN-LINUX-NOT: libclang_rt.ubsan
 // CHECK-ASAN-UBSAN-LINUX-NOT: "-lstdc++"
 // CHECK-ASAN-UBSAN-LINUX: "-lpthread"
+// CHECK-ASAN-UBSAN-LINUX: "-lresolv"
 
 // RUN: %clangxx -fsanitize=address,undefined -### %s 2>&1 \
 // RUN:     --target=i386-unknown-linux -fuse-ld=ld -stdlib=platform \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-UBSAN-LINUX-CXX %s
 // CHECK-ASAN-UBSAN-LINUX-CXX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-ASAN-UBSAN-LINUX-CXX: "--whole-archive" "{{.*}}libclang_rt.asan-i386.a" "--no-whole-archive"
 // CHECK-ASAN-UBSAN-LINUX-CXX: "--whole-archive" "{{.*}}libclang_rt.asan_cxx-i386.a" "--no-whole-archive"
 // CHECK-ASAN-UBSAN-LINUX-CXX-NOT: libclang_rt.ubsan
 // CHECK-ASAN-UBSAN-LINUX-CXX: "-lstdc++"
 // CHECK-ASAN-UBSAN-LINUX-CXX: "-lpthread"
+// CHECK-ASAN-UBSAN-LINUX-CXX: "-lresolv"
 
 // RUN: %clangxx -fsanitize=memory,undefined -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-MSAN-UBSAN-LINUX-CXX %s
 // CHECK-MSAN-UBSAN-LINUX-CXX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-MSAN-UBSAN-LINUX-CXX: "--whole-archive" "{{.*}}libclang_rt.msan-x86_64.a" "--no-whole-archive"

 // RUN:   | FileCheck --check-prefix=CHECK-LSAN-LINUX %s
 //
 // CHECK-LSAN-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-LSAN-LINUX-NOT: "-lc"
 // CHECK-LSAN-LINUX-NOT: libclang_rt.ubsan
 // CHECK-LSAN-LINUX: libclang_rt.lsan-x86_64.a"
 // CHECK-LSAN-LINUX: "-lpthread"
 // CHECK-LSAN-LINUX: "-ldl"
+// CHECK-LSAN-LINUX: "-lresolv"
 
 // RUN: %clang -fsanitize=leak -fno-sanitize-link-runtime -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-LSAN-NO-LINK-RUNTIME-LINUX %s
 //
 // CHECK-LSAN-NO-LINK-RUNTIME-LINUX-NOT: libclang_rt.lsan
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:  --target=x86_64-unknown-linux -fuse-ld=ld -fsanitize=leak -fsanitize-coverage=func \
 // RUN:  -resource-dir=%S/Inputs/resource_dir \
 // RUN:  --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-LSAN-COV-LINUX %s
 //
 // CHECK-LSAN-COV-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-LSAN-COV-LINUX-NOT: "-lc"
 // CHECK-LSAN-COV-LINUX-NOT: libclang_rt.ubsan
 // CHECK-LSAV-COV-LINUX: libclang_rt.lsan-x86_64.a"
 // CHECK-LSAN-COV-LINUX-NOT: libclang_rt.ubsan
 // CHECK-LSAN-COV-LINUX: "-lpthread"
 // CHECK-LSAN-COV-LINUX: "-ldl"
+// CHECK-LSAN-COV-LINUX: "-lresolv"
 
 // RUN: %clang -fsanitize=leak,address -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-LSAN-ASAN-LINUX %s
 // CHECK-LSAN-ASAN-LINUX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-LSAN-ASAN-LINUX-NOT: libclang_rt.lsan
 // CHECK-LSAN-ASAN-LINUX: libclang_rt.asan-x86_64
 // CHECK-LSAN-ASAN-LINUX-NOT: libclang_rt.lsan
 
 // RUN: %clang -fsanitize=address -fsanitize-coverage=func -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-COV-LINUX %s
 // CHECK-ASAN-COV-LINUX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-ASAN-COV-LINUX: "--whole-archive" "{{.*}}libclang_rt.asan-x86_64.a" "--no-whole-archive"
 // CHECK-ASAN-COV-LINUX-NOT: libclang_rt.ubsan
 // CHECK-ASAN-COV-LINUX-NOT: "-lstdc++"
 // CHECK-ASAN-COV-LINUX: "-lpthread"
+// CHECK-ASAN-COV-LINUX: "-lresolv"
 
 // RUN: %clang -fsanitize=memory -fsanitize-coverage=func -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-MSAN-COV-LINUX %s
 // CHECK-MSAN-COV-LINUX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-MSAN-COV-LINUX: "--whole-archive" "{{.*}}libclang_rt.msan-x86_64.a" "--no-whole-archive"
 // CHECK-MSAN-COV-LINUX-NOT: libclang_rt.ubsan
 // CHECK-MSAN-COV-LINUX-NOT: "-lstdc++"
 // CHECK-MSAN-COV-LINUX: "-lpthread"
+// CHECK-MSAN-COV-LINUX: "-lresolv"
 
 // RUN: %clang -fsanitize=dataflow -fsanitize-coverage=func -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DFSAN-COV-LINUX %s
 // CHECK-DFSAN-COV-LINUX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-DFSAN-COV-LINUX: "--whole-archive" "{{.*}}libclang_rt.dfsan-x86_64.a" "--no-whole-archive"
 // CHECK-DFSAN-COV-LINUX-NOT: libclang_rt.ubsan
 // CHECK-DFSAN-COV-LINUX-NOT: "-lstdc++"
 // CHECK-DFSAN-COV-LINUX: "-lpthread"
+// CHECK-DFSAN-COV-LINUX: "-lresolv"
 
 // RUN: %clang -fsanitize=undefined -fsanitize-coverage=func -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-UBSAN-COV-LINUX %s
 // CHECK-UBSAN-COV-LINUX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-UBSAN-COV-LINUX: "--whole-archive" "{{.*}}libclang_rt.ubsan_standalone-x86_64.a" "--no-whole-archive"
 // CHECK-UBSAN-COV-LINUX-NOT: "-lstdc++"
 // CHECK-UBSAN-COV-LINUX: "-lpthread"
+// CHECK-UBSAN-COV-LINUX: "-lresolv"
 
 // RUN: %clang -fsanitize-coverage=func -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-COV-LINUX %s
 // CHECK-COV-LINUX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-COV-LINUX: "--whole-archive" "{{.*}}libclang_rt.ubsan_standalone-x86_64.a" "--no-whole-archive"
 // CHECK-COV-LINUX-NOT: "-lstdc++"
 // CHECK-COV-LINUX: "-lpthread"
+// CHECK-COV-LINUX: "-lresolv"
 
 // CFI by itself does not link runtime libraries.
 // RUN: %clang -fsanitize=cfi -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld -rtlib=platform \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-CFI-LINUX %s
 // CHECK-CFI-LINUX: "{{.*}}ld{{(.exe)?}}"

 //
 // CHECK-SAFESTACK-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-SAFESTACK-LINUX-NOT: "-lc"
 // CHECK-SAFESTACK-LINUX-NOT: whole-archive
 // CHECK-SAFESTACK-LINUX: libclang_rt.safestack-x86_64.a"
 // CHECK-SAFESTACK-LINUX: "-u" "__safestack_init"
 // CHECK-SAFESTACK-LINUX: "-lpthread"
 // CHECK-SAFESTACK-LINUX: "-ldl"
+// CHECK-SAFESTACK-LINUX: "-lresolv"
 
 // RUN: %clang -fsanitize=shadow-call-stack -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld \
 // RUN:   | FileCheck --check-prefix=CHECK-SHADOWCALLSTACK-LINUX-X86-64 %s
 // CHECK-SHADOWCALLSTACK-LINUX-X86-64-NOT: error:
 
 // RUN: %clang -fsanitize=shadow-call-stack -### %s 2>&1 \
 // RUN:     --target=aarch64-unknown-linux -fuse-ld=ld \

 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-SCUDO-LINUX %s
 // CHECK-SCUDO-LINUX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-SCUDO-LINUX: "-pie"
 // CHECK-SCUDO-LINUX: "--whole-archive" "{{.*}}libclang_rt.scudo-i386.a" "--no-whole-archive"
 // CHECK-SCUDO-LINUX-NOT: "-lstdc++"
 // CHECK-SCUDO-LINUX: "-lpthread"
 // CHECK-SCUDO-LINUX: "-ldl"
+// CHECK-SCUDO-LINUX: "-lresolv"
 
 // RUN: %clang -fsanitize=scudo -fsanitize-minimal-runtime -### %s 2>&1 \
 // RUN:     --target=i386-unknown-linux -fuse-ld=ld \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-SCUDO-MINIMAL-LINUX %s
 // CHECK-SCUDO-MINIMAL-LINUX: "{{.*}}ld{{(.exe)?}}"
 // CHECK-SCUDO-MINIMAL-LINUX: "-pie"
 // CHECK-SCUDO-MINIMAL-LINUX: "--whole-archive" "{{.*}}libclang_rt.scudo_minimal-i386.a" "--no-whole-archive"
 // CHECK-SCUDO-MINIMAL-LINUX: "-lpthread"
+// CHECK-SCUDO-MINIMAL-LINUX: "-lresolv"
 
 // RUN: %clang -### %s -o %t.so -shared 2>&1 \
 // RUN:     --target=i386-unknown-linux -fuse-ld=ld -fsanitize=scudo -shared-libsan \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-SCUDO-SHARED-LINUX %s
 //
 // CHECK-SCUDO-SHARED-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-SCUDO-SHARED-LINUX-NOT: "-lc"
 // CHECK-SCUDO-SHARED-LINUX-NOT: libclang_rt.scudo-i386.a"
 // CHECK-SCUDO-SHARED-LINUX: libclang_rt.scudo-i386.so"
 // CHECK-SCUDO-SHARED-LINUX-NOT: "-lpthread"
 // CHECK-SCUDO-SHARED-LINUX-NOT: "-lrt"
 // CHECK-SCUDO-SHARED-LINUX-NOT: "-ldl"
+// CHECK-SCUDO-SHARED-LINUX-NOT: "-lresolv"
 // CHECK-SCUDO-SHARED-LINUX-NOT: "--export-dynamic"
 // CHECK-SCUDO-SHARED-LINUX-NOT: "--dynamic-list"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=arm-linux-androideabi -fuse-ld=ld -fsanitize=scudo \
 // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
 // RUN:   | FileCheck --check-prefix=CHECK-SCUDO-ANDROID %s
 //
 // CHECK-SCUDO-ANDROID: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-SCUDO-ANDROID-NOT: "-lc"
 // CHECK-SCUDO-ANDROID: "-pie"
 // CHECK-SCUDO-ANDROID-NOT: "-lpthread"
+// CHECK-SCUDO-ANDROID-NOT: "-lresolv"
 // CHECK-SCUDO-ANDROID: libclang_rt.scudo-arm-android.so"
 // CHECK-SCUDO-ANDROID-NOT: "-lpthread"
+// CHECK-SCUDO-ANDROID-NOT: "-lresolv"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=arm-linux-androideabi -fuse-ld=ld -fsanitize=scudo \
 // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
 // RUN:     -static-libsan \
 // RUN:   | FileCheck --check-prefix=CHECK-SCUDO-ANDROID-STATIC %s
 // CHECK-SCUDO-ANDROID-STATIC: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-SCUDO-ANDROID-STATIC: "-pie"
 // CHECK-SCUDO-ANDROID-STATIC: "--whole-archive" "{{.*}}libclang_rt.scudo-arm-android.a" "--no-whole-archive"
 // CHECK-SCUDO-ANDROID-STATIC-NOT: "-lstdc++"
 // CHECK-SCUDO-ANDROID-STATIC-NOT: "-lpthread"
 // CHECK-SCUDO-ANDROID-STATIC-NOT: "-lrt"
+// CHECK-SCUDO-ANDROID-STATIC-NOT: "-lresolv"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld -fsanitize=hwaddress \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-HWASAN-X86-64-LINUX %s
 //
 // CHECK-HWASAN-X86-64-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-HWASAN-X86-64-LINUX: "-pie"
 // CHECK-HWASAN-X86-64-LINUX-NOT: "-lc"
 // CHECK-HWASAN-X86-64-LINUX: libclang_rt.hwasan-x86_64.a"
 // CHECK-HWASAN-X86-64-LINUX-NOT: "--export-dynamic"
 // CHECK-HWASAN-X86-64-LINUX: "--dynamic-list={{.*}}libclang_rt.hwasan-x86_64.a.syms"
 // CHECK-HWASAN-X86-64-LINUX-NOT: "--export-dynamic"
 // CHECK-HWASAN-X86-64-LINUX: "-lpthread"
 // CHECK-HWASAN-X86-64-LINUX: "-lrt"
 // CHECK-HWASAN-X86-64-LINUX: "-ldl"
+// CHECK-HWASAN-X86-64-LINUX: "-lresolv"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld -fsanitize=hwaddress \
 // RUN:     -shared-libsan -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-SHARED-HWASAN-X86-64-LINUX %s
 //
 // CHECK-SHARED-HWASAN-X86-64-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-SHARED-HWASAN-X86-64-LINUX: "-pie"
 // CHECK-SHARED-HWASAN-X86-64-LINUX-NOT: "-lc"
 // CHECK-SHARED-HWASAN-X86-64-LINUX: libclang_rt.hwasan-x86_64.so"
 // CHECK-SHARED-HWASAN-X86-64-LINUX-NOT: "-lpthread"
 // CHECK-SHARED-HWASAN-X86-64-LINUX-NOT: "-lrt"
 // CHECK-SHARED-HWASAN-X86-64-LINUX-NOT: "-ldl"
+// CHECK-SHARED-HWASAN-X86-64-LINUX-NOT: "-lresolv"
 // CHECK-SHARED-HWASAN-X86-64-LINUX-NOT: "--export-dynamic"
 // CHECK-SHARED-HWASAN-X86-64-LINUX-NOT: "--dynamic-list"
 
 // RUN: %clang -### %s -o %t.so -shared 2>&1 \
 // RUN:     --target=x86_64-unknown-linux -fuse-ld=ld -fsanitize=hwaddress \
 // RUN:     -shared-libsan -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DSO-SHARED-HWASAN-X86-64-LINUX %s
 //
 // CHECK-DSO-SHARED-HWASAN-X86-64-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-DSO_SHARED-HWASAN-X86-64-LINUX: "-pie"
 // CHECK-DSO-SHARED-HWASAN-X86-64-LINUX-NOT: "-lc"
 // CHECK-DSO-SHARED-HWASAN-X86-64-LINUX: libclang_rt.hwasan-x86_64.so"
 // CHECK-DSO-SHARED-HWASAN-X86-64-LINUX-NOT: "-lpthread"
 // CHECK-DSO-SHARED-HWASAN-X86-64-LINUX-NOT: "-lrt"
 // CHECK-DSO-SHARED-HWASAN-X86-64-LINUX-NOT: "-ldl"
+// CHECK-DSO-SHARED-HWASAN-X86-64-LINUX-NOT: "-lresolv"
 // CHECK-DSO-SHARED-HWASAN-X86-64-LINUX-NOT: "--export-dynamic"
 // CHECK-DSO-SHARED-HWASAN-X86-64-LINUX-NOT: "--dynamic-list"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=aarch64-unknown-linux -fuse-ld=ld -fsanitize=hwaddress \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-HWASAN-AARCH64-LINUX %s
 //
 // CHECK-HWASAN-AARCH64-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-HWASAN-AARCH64-LINUX: "-pie"
 // CHECK-HWASAN-AARCH64-LINUX-NOT: "-lc"
 // CHECK-HWASAN-AARCH64-LINUX: libclang_rt.hwasan-aarch64.a"
 // CHECK-HWASAN-AARCH64-LINUX-NOT: "--export-dynamic"
 // CHECK-HWASAN-AARCH64-LINUX: "--dynamic-list={{.*}}libclang_rt.hwasan-aarch64.a.syms"
 // CHECK-HWASAN-AARCH64-LINUX-NOT: "--export-dynamic"
 // CHECK-HWASAN-AARCH64-LINUX: "-lpthread"
 // CHECK-HWASAN-AARCH64-LINUX: "-lrt"
 // CHECK-HWASAN-AARCH64-LINUX: "-ldl"
+// CHECK-HWASAN-AARCH64-LINUX: "-lresolv"
 
 // RUN: %clang -### %s 2>&1 \
 // RUN:     --target=aarch64-unknown-linux -fuse-ld=ld -fsanitize=hwaddress \
 // RUN:     -shared-libsan \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-SHARED-HWASAN-AARCH64-LINUX %s
 //
 // CHECK-SHARED-HWASAN-AARCH64-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-SHARED-HWASAN-AARCH64-LINUX: "-pie"
 // CHECK-SHARED-HWASAN-AARCH64-LINUX-NOT: "-lc"
 // CHECK-SHARED-HWASAN-AARCH64-LINUX: libclang_rt.hwasan-aarch64.so"
 // CHECK-SHARED-HWASAN-AARCH64-LINUX-NOT: "-lpthread"
 // CHECK-SHARED-HWASAN-AARCH64-LINUX-NOT: "-lrt"
 // CHECK-SHARED-HWASAN-AARCH64-LINUX-NOT: "-ldl"
+// CHECK-SHARED-HWASAN-AARCH64-LINUX-NOT: "-lresolv"
 // CHECK-SHARED-HWASAN-AARCH64-LINUX-NOT: "--export-dynamic"
 // CHECK-SHARED-HWASAN-AARCH64-LINUX-NOT: "--dynamic-list"
 
 // RUN: %clang -### %s -o %t.so -shared 2>&1 \
 // RUN:     --target=aarch64-unknown-linux -fuse-ld=ld -fsanitize=hwaddress \
 // RUN:     -shared-libsan -resource-dir=%S/Inputs/resource_dir \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DSO-SHARED-HWASAN-AARCH64-LINUX %s
 //
 // CHECK-DSO-SHARED-HWASAN-AARCH64-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
 // CHECK-DSO_SHARED-HWASAN-AARCH64-LINUX: "-pie"
 // CHECK-DSO-SHARED-HWASAN-AARCH64-LINUX-NOT: "-lc"
 // CHECK-DSO-SHARED-HWASAN-AARCH64-LINUX: libclang_rt.hwasan-aarch64.so"
 // CHECK-DSO-SHARED-HWASAN-AARCH64-LINUX-NOT: "-lpthread"
 // CHECK-DSO-SHARED-HWASAN-AARCH64-LINUX-NOT: "-lrt"
 // CHECK-DSO-SHARED-HWASAN-AARCH64-LINUX-NOT: "-ldl"
+// CHECK-DSO-SHARED-HWASAN-AARCH64-LINUX-NOT: "-lresolv"
 // CHECK-DSO-SHARED-HWASAN-AARCH64-LINUX-NOT: "--export-dynamic"
 // CHECK-DSO-SHARED-HWASAN-AARCH64-LINUX-NOT: "--dynamic-list"