diff --git a/include/internal/catch_assertionhandler.cpp b/include/internal/catch_assertionhandler.cpp
index d53b09fa..8d99e3d0 100644
--- a/include/internal/catch_assertionhandler.cpp
+++ b/include/internal/catch_assertionhandler.cpp
@@ -14,7 +14,7 @@
 #include "catch_debugger.h"
 #include "catch_interfaces_registry_hub.h"
 
-#include <iostream> // !TBD
+#include <cassert>
 
 namespace Catch {
 
@@ -58,6 +58,12 @@ namespace Catch {
     {
         getCurrentContext().getResultCapture()->assertionStarting( m_assertionInfo );
     }
+    AssertionHandler::~AssertionHandler() {
+        if ( m_inExceptionGuard ) {
+            handle( ResultWas::ThrewException, "Exception translation was disabled by CATCH_CONFIG_FAST_COMPILE" );
+            getCurrentContext().getResultCapture()->exceptionEarlyReported();
+        }
+    }
 
     void AssertionHandler::handle( ITransientExpression const& expr ) {
 
@@ -125,4 +131,14 @@ namespace Catch {
         handle( ResultWas::ThrewException, Catch::translateActiveException().c_str() );
     }
 
+    void AssertionHandler::setExceptionGuard() {
+        assert( m_inExceptionGuard == false );
+        m_inExceptionGuard = true;
+    }
+    void AssertionHandler::unsetExceptionGuard() {
+        assert( m_inExceptionGuard == true );
+        m_inExceptionGuard = false;
+    }
+
+
 } // namespace Catch
diff --git a/include/internal/catch_assertionhandler.h b/include/internal/catch_assertionhandler.h
index 18137448..dbbd5157 100644
--- a/include/internal/catch_assertionhandler.h
+++ b/include/internal/catch_assertionhandler.h
@@ -36,12 +36,15 @@ namespace Catch {
         AssertionInfo m_assertionInfo;
         bool m_shouldDebugBreak = false;
         bool m_shouldThrow = false;
+        bool m_inExceptionGuard = false;
+
     public:
         AssertionHandler
             (   StringRef macroName,
                 SourceLineInfo const& lineInfo,
                 StringRef capturedExpression,
                 ResultDisposition::Flags resultDisposition );
+        ~AssertionHandler();
 
         void handle( ITransientExpression const& expr );
 
@@ -60,6 +63,8 @@ namespace Catch {
         void reactWithoutDebugBreak() const;
         void useActiveException( ResultDisposition::Flags resultDisposition );
         void useActiveException();
+        void setExceptionGuard();
+        void unsetExceptionGuard();
     };
 
 } // namespace Catch
diff --git a/include/internal/catch_capture.hpp b/include/internal/catch_capture.hpp
index 13101ec6..b13b9fe6 100644
--- a/include/internal/catch_capture.hpp
+++ b/include/internal/catch_capture.hpp
@@ -26,14 +26,17 @@
 // macro in each assertion
 #define INTERNAL_CATCH_REACT( resultBuilder ) \
     resultBuilder.react();
+#define INTERNAL_CATCH_REACT2( handler ) \
+    handler.reactWithDebugBreak();
 
 ///////////////////////////////////////////////////////////////////////////////
 // Another way to speed-up compilation is to omit local try-catch for REQUIRE*
 // macros.
 // This can potentially cause false negative, if the test code catches
 // the exception before it propagates back up to the runner.
-#define INTERNAL_CATCH_TRY
-#define INTERNAL_CATCH_CATCH( capturer, disposition )
+#define INTERNAL_CATCH_TRY( capturer ) capturer.setExceptionGuard();
+#define INTERNAL_CATCH_CATCH( capturer, disposition ) capturer.unsetExceptionGuard();
+#define INTERNAL_CATCH_CATCH2( capturer ) capturer.unsetExceptionGuard();
 
 #else // CATCH_CONFIG_FAST_COMPILE
 
@@ -47,9 +50,9 @@
     resultBuilder.react();
 #define INTERNAL_CATCH_REACT2( handler ) \
     if( handler.shouldDebugBreak() ) CATCH_BREAK_INTO_DEBUGGER(); \
-    handler.reactWithDebugBreak();
+    handler.reactWithoutDebugBreak();
 
-#define INTERNAL_CATCH_TRY try
+#define INTERNAL_CATCH_TRY( capturer ) try
 #define INTERNAL_CATCH_CATCH( capturer, disposition ) catch(...) { capturer.useActiveException( disposition ); }
 #define INTERNAL_CATCH_CATCH2( capturer ) catch(...) { capturer.useActiveException(); }
 
@@ -59,7 +62,7 @@
 #define INTERNAL_CATCH_TEST( macroName, resultDisposition, ... ) \
     do { \
         Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, #__VA_ARGS__, resultDisposition ); \
-        INTERNAL_CATCH_TRY { \
+        INTERNAL_CATCH_TRY( catchAssertionHandler ) { \
             CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
             catchAssertionHandler.handle( Catch::Decomposer() <= __VA_ARGS__ ); \
             CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS \
@@ -147,7 +150,7 @@
 #define INTERNAL_CHECK_THAT( macroName, matcher, resultDisposition, arg ) \
     do { \
         Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #arg ", " #matcher, resultDisposition ); \
-        INTERNAL_CATCH_TRY { \
+        INTERNAL_CATCH_TRY( __catchResult ) { \
             __catchResult.captureMatch( arg, matcher, #matcher ); \
         } INTERNAL_CATCH_CATCH( __catchResult, resultDisposition ) \
         INTERNAL_CATCH_REACT( __catchResult ) \