Reland "[gn build] (manually) port 6fe2beba7d (ExceptionTests)"

This reverts commit 98d0f8f2ff.
6fe2beba7d relanded in 1dba6b37bd.

llvm/utils/gn/secondary/clang/unittests/BUILD.gn

@@ -29,13 +29,16 @@ group("unittests") {
     ]
   }
   if (host_os != "win") {
-    # FIXME: libclang unit tests are disabled on Windows due
-    # to failures, mostly in libclang.VirtualFileOverlay_*.
-    # FIXME: Also, the executable can't find libclang.dll since that's
-    # in a different directory.
     deps += [
+      # FIXME: libclang unit tests are disabled on Windows due
+      # to failures, mostly in libclang.VirtualFileOverlay_*.
+      # FIXME: Also, the executable can't find libclang.dll since that's
+      # in a different directory.
       "libclang:libclangTests",
       "libclang/CrashTests:libclangCrashTests",
+
+      # Exceptions on Windows are not yet supported.
+      "Interpreter/ExceptionTests:ClangReplInterpreterExceptionTests",
     ]
   }
   testonly = true

llvm/utils/gn/secondary/clang/unittests/Interpreter/ExceptionTests/BUILD.gn

@@ -0,0 +1,20 @@
+import("//llvm/utils/unittest/unittest.gni")
+
+unittest("ClangReplInterpreterExceptionTests") {
+  configs += [ "//llvm/utils/gn/build:clang_code" ]
+  configs -= [
+    "//llvm/utils/gn/build:no_exceptions",
+    "//llvm/utils/gn/build:no_rtti",
+  ]
+  deps = [
+    "//clang/lib/AST",
+    "//clang/lib/Basic",
+    "//clang/lib/Interpreter",
+    "//clang/lib/Frontend",
+    "//llvm/lib/IR",
+    "//llvm/lib/ExecutionEngine/Orc",
+    "//llvm/lib/Support",
+    "//llvm/lib/Target:TargetsToBuild",
+  ]
+  sources = [ "InterpreterExceptionTest.cpp" ]
+}

llvm/utils/gn/secondary/llvm/utils/unittest/BUILD.gn

@@ -27,6 +27,7 @@ static_library("gtest") {
   ]
   public_configs = [ ":googletest_config" ]
   configs -= [ "//llvm/utils/gn/build:warn_covered_switch_default" ]
+  configs -= [ "//llvm/utils/gn/build:no_rtti" ]
   sources = [
     "googlemock/src/gmock-all.cc",
     "googletest/src/gtest-all.cc",