Fix quotes in diagnostic message

Signed-off-by: Steffen Larsen <steffen.larsen@codeplay.com>

Author: Steffen Larsen

clang/include/clang/Basic/DiagnosticDriverKinds.td

@@ -79,8 +79,8 @@ def warn_drv_unknown_cuda_version: Warning<
   InGroup<CudaUnknownVersion>;
 def err_drv_cuda_host_arch : Error<"unsupported architecture '%0' for host compilation.">;
 def err_drv_no_sycl_libspirv : Error<
-  "cannot find suitable `libspirv-nvptx64--nvidiacl.bc` variant. Provide path to libspirv library via "
-  "-fsycl-libspirv-path, or pass -fno-sycl-libspirv to build without linking with libspirv.">;
+  "cannot find suitable 'libspirv-nvptx64--nvidiacl.bc' variant. Provide path to libspirv library via "
+  "'-fsycl-libspirv-path', or pass '-fno-sycl-libspirv' to build without linking with libspirv.">;
 def err_drv_mix_cuda_hip : Error<"Mixed Cuda and HIP compilation is not supported.">;
 def err_drv_bad_target_id : Error<"Invalid target ID: %0 (A target ID is a processor name "
   "followed by an optional list of predefined features post-fixed by a plus or minus sign deliminated "

clang/test/Driver/sycl-libspirv-invalid.cpp

@@ -6,10 +6,10 @@
 // RUN: -fsycl-targets=nvptx64-nvidia-nvcl-sycldevice --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
 // RUN: -fsycl-libspirv-path=%S/Inputs/SYCL/no-libspirv-exists-here.bc %s 2>&1 \
 // RUN: | FileCheck --check-prefix=ERR %s
-// ERR: cannot find suitable `libspirv-nvptx64--nvidiacl.bc` variant
+// ERR: cannot find suitable 'libspirv-nvptx64--nvidiacl.bc' variant
 
 // RUN: %clangxx -### -std=c++11 -target x86_64-unknown-linux-gnu -fsycl \
 // RUN: -fsycl-targets=nvptx64-nvidia-nvcl-sycldevice --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
 // RUN: -fsycl-libspirv-path=%S/Inputs/SYCL/no-libspirv-exists-here.bc -fno-sycl-libspirv %s 2>&1 \
 // RUN: | FileCheck --check-prefix=OK %s
-// OK-NOT: cannot find suitable `libspirv-nvptx64--nvidiacl.bc` variant
+// OK-NOT: cannot find suitable 'libspirv-nvptx64--nvidiacl.bc' variant