WAR compiler ice in nlohmann json.

Only seeing this on GCC 9 + CTK 11.1. Seems to be
having trouble with the `[[no_unique_address]]` optimization.

cmake/NVBenchDependencies.cmake

@@ -28,6 +28,12 @@ rapids_cpm_find(nlohmann_json 3.11.3
   CPM_ARGS
     URL https://github.com/nlohmann/json/releases/download/v3.11.3/include.zip
     URL_HASH SHA256=a22461d13119ac5c78f205d3df1db13403e58ce1bb1794edc9313677313f4a9d
+  PATCH_COMMAND
+    ${CMAKE_COMMAND}
+      -D "CUDA_VERSION=${CMAKE_CUDA_COMPILER_VERSION}"
+      -D "CXX_VERSION=${CMAKE_CXX_COMPILER_VERSION}"
+      -D "CXX_ID=${CMAKE_CXX_COMPILER_ID}"
+      -P "${CMAKE_CURRENT_SOURCE_DIR}/cmake/patches/json_unordered_map_ice.cmake"
 )
 
 add_library(nvbench_json INTERFACE IMPORTED)

cmake/patches/json_unordered_map_ice.cmake

@@ -0,0 +1,22 @@
+# NVCC 11.1 and GCC 9 need a patch to build, otherwise:
+#
+# nlohmann/ordered_map.hpp(29): error #3316:
+# Internal Compiler Error (codegen): "internal error during structure layout!"
+#
+# Usage:
+# ${CMAKE_COMMAND}
+#   -D "CUDA_VERSION=${CMAKE_CUDA_COMPILER_VERSION}"
+#   -D "CXX_VERSION=${CMAKE_CXX_COMPILER_VERSION}"
+#   -D "CXX_ID=${CMAKE_CXX_COMPILER_ID}"
+#   -P "json_unordered_map_ice.cmake"
+
+if(CUDA_VERSION VERSION_GREATER 11.8 OR NOT CXX_ID STREQUAL "GNU" OR CXX_VERSION VERSION_LESS 9.0)
+  return()
+endif()
+
+# Read the file and replace the string "JSON_NO_UNIQUE_ADDRESS" with
+# "/* JSON_NO_UNIQUE_ADDRESS */".
+file(READ "include/nlohmann/ordered_map.hpp" NLOHMANN_ORDERED_MAP_HPP)
+string(REPLACE "JSON_NO_UNIQUE_ADDRESS" "/* [NVBench Patch] JSON_NO_UNIQUE_ADDRESS */"
+  NLOHMANN_ORDERED_MAP_HPP "${NLOHMANN_ORDERED_MAP_HPP}")
+file(WRITE "include/nlohmann/ordered_map.hpp" "${NLOHMANN_ORDERED_MAP_HPP}")