diff --git a/runtime/GCCLibraries/crtend/Exception.h b/runtime/GCCLibraries/crtend/Exception.h
index 1e82f2ffbe3..4d886cd9203 100644
--- a/runtime/GCCLibraries/crtend/Exception.h
+++ b/runtime/GCCLibraries/crtend/Exception.h
@@ -42,8 +42,8 @@ enum {
 // Language independent exception handling API...
 //
 extern "C" {
-  bool __llvm_eh_has_uncaught_exception(void);
-  void *__llvm_eh_current_uncaught_exception_type(unsigned HandlerType);
+  bool __llvm_eh_has_uncaught_exception() throw();
+  void *__llvm_eh_current_uncaught_exception_type(unsigned HandlerType) throw();
 }
 
 #endif
diff --git a/runtime/GCCLibraries/libexception/Exception.h b/runtime/GCCLibraries/libexception/Exception.h
index 1e82f2ffbe3..4d886cd9203 100644
--- a/runtime/GCCLibraries/libexception/Exception.h
+++ b/runtime/GCCLibraries/libexception/Exception.h
@@ -42,8 +42,8 @@ enum {
 // Language independent exception handling API...
 //
 extern "C" {
-  bool __llvm_eh_has_uncaught_exception(void);
-  void *__llvm_eh_current_uncaught_exception_type(unsigned HandlerType);
+  bool __llvm_eh_has_uncaught_exception() throw();
+  void *__llvm_eh_current_uncaught_exception_type(unsigned HandlerType) throw();
 }
 
 #endif