[gn build] Port 89c27d6b07dd
diff --git a/llvm/utils/gn/secondary/lldb/tools/lldb-dap/BUILD.gn b/llvm/utils/gn/secondary/lldb/tools/lldb-dap/BUILD.gn
index 8cb60fd..b627b1e 100644
--- a/llvm/utils/gn/secondary/lldb/tools/lldb-dap/BUILD.gn
+++ b/llvm/utils/gn/secondary/lldb/tools/lldb-dap/BUILD.gn
@@ -45,6 +45,7 @@
     "FifoFiles.cpp",
     "FunctionBreakpoint.cpp",
     "IOStream.cpp",
+    "InstructionBreakpoint.cpp",
     "JSONUtils.cpp",
     "LLDBUtils.cpp",
     "OutputRedirector.cpp",