[gn build] Port a423b7f (ClangReplInterpreterTests -rdynamic)

Author: nico

llvm/utils/gn/secondary/clang/lib/Interpreter/BUILD.gn

@@ -26,5 +26,7 @@ static_library("Interpreter") {
     "IncrementalExecutor.cpp",
     "IncrementalParser.cpp",
     "Interpreter.cpp",
+    "InterpreterUtils.cpp",
+    "Value.cpp",
   ]
 }

llvm/utils/gn/secondary/clang/tools/clang-repl/BUILD.gn

@@ -1,6 +1,7 @@
 executable("clang-repl") {
   configs += [ "//llvm/utils/gn/build:clang_code" ]
   deps = [
+    "//clang/lib/AST",
     "//clang/lib/Basic",
     "//clang/lib/Interpreter",
     "//clang/lib/Tooling",

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

@@ -14,4 +14,11 @@ unittest("ClangReplInterpreterTests") {
     "IncrementalProcessingTest.cpp",
     "InterpreterTest.cpp",
   ]
+
+  # Support plugins.
+  # FIXME: Disable dead stripping once other binaries are dead-stripped.
+  if (host_os != "mac" && host_os != "win") {
+    # Corresponds to export_executable_symbols() in cmake.
+    ldflags = [ "-rdynamic" ]
+  }
 }