diff --git a/imgui.cpp b/imgui.cpp
index 219e748c3..59c3d66f3 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -364,6 +364,7 @@
 #pragma clang diagnostic ignored "-Wexit-time-destructors"  // warning : declaration requires an exit-time destructor       // exit-time destruction order is undefined. if MemFree() leads to users code that has been disabled before exit it might cause problems. ImGui coding style welcomes static/globals.
 #pragma clang diagnostic ignored "-Wglobal-constructors"    // warning : declaration requires a global destructor           // similar to above, not sure what the exact difference it.
 #pragma clang diagnostic ignored "-Wsign-conversion"        // warning : implicit conversion changes signedness             // 
+#pragma clang diagnostic ignored "-Wmissing-noreturn"       // warning : function xx could be declared with attribute 'noreturn' warning    // GetDefaultFontData() asserts which some implementation makes it never return.
 #endif
 #ifdef __GNUC__
 #pragma GCC diagnostic ignored "-Wunused-function"          // warning: 'xxxx' defined but not used
@@ -8917,7 +8918,7 @@ static void ImeSetInputScreenPosFn_DefaultImpl(int x, int y)
 
 #else
 
-static void ImeSetInputScreenPosFn_DefaultImpl(int x, int y)
+static void ImeSetInputScreenPosFn_DefaultImpl(int, int)
 {
 }
 
@@ -8926,8 +8927,8 @@ static void ImeSetInputScreenPosFn_DefaultImpl(int x, int y)
 #ifdef IMGUI_DISABLE_TEST_WINDOWS
 
 void ImGui::ShowUserGuide() {}
-void ImGui::ShowStyleEditor() {}
-void ImGui::ShowTestWindow() {}
+void ImGui::ShowStyleEditor(ImGuiStyle*) {}
+void ImGui::ShowTestWindow(bool*) {}
 
 #else