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-rw-r--r--lib/Core/SpecialFunctionHandler.cpp14
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/Core/SpecialFunctionHandler.cpp b/lib/Core/SpecialFunctionHandler.cpp
index 74d36f27..88e0d1a0 100644
--- a/lib/Core/SpecialFunctionHandler.cpp
+++ b/lib/Core/SpecialFunctionHandler.cpp
@@ -74,9 +74,8 @@ static SpecialFunctionHandler::HandlerInfo handlerInfo[] = {
   addDNR("_exit", handleExit),
   { "exit", &SpecialFunctionHandler::handleExit, true, false, true },
   addDNR("klee_abort", handleAbort),
-  addDNR("klee_silent_exit", handleSilentExit),  
+  addDNR("klee_silent_exit", handleSilentExit),
   addDNR("klee_report_error", handleReportError),
-
   add("calloc", handleCalloc, true),
   add("free", handleFree, false),
   add("klee_assume", handleAssume, false),
@@ -122,14 +121,15 @@ static SpecialFunctionHandler::HandlerInfo handlerInfo[] = {
   // operator new(unsigned long)
   add("_Znwm", handleNew, true),
 
-  // clang -fsanitize=unsigned-integer-overflow
+  // Run clang with -fsanitize=signed-integer-overflow and/or
+  // -fsanitize=unsigned-integer-overflow
   add("__ubsan_handle_add_overflow", handleAddOverflow, false),
   add("__ubsan_handle_sub_overflow", handleSubOverflow, false),
   add("__ubsan_handle_mul_overflow", handleMulOverflow, false),
   add("__ubsan_handle_divrem_overflow", handleDivRemOverflow, false),
 
 #undef addDNR
-#undef add  
+#undef add
 };
 
 SpecialFunctionHandler::const_iterator SpecialFunctionHandler::begin() {
@@ -733,21 +733,21 @@ void SpecialFunctionHandler::handleMarkGlobal(ExecutionState &state,
 void SpecialFunctionHandler::handleAddOverflow(ExecutionState &state,
                                                KInstruction *target,
                                                std::vector<ref<Expr> > &arguments) {
-  executor.terminateStateOnError(state, "overflow on unsigned addition",
+  executor.terminateStateOnError(state, "overflow on addition",
                                  Executor::Overflow);
 }
 
 void SpecialFunctionHandler::handleSubOverflow(ExecutionState &state,
                                                KInstruction *target,
                                                std::vector<ref<Expr> > &arguments) {
-  executor.terminateStateOnError(state, "overflow on unsigned subtraction",
+  executor.terminateStateOnError(state, "overflow on subtraction",
                                  Executor::Overflow);
 }
 
 void SpecialFunctionHandler::handleMulOverflow(ExecutionState &state,
                                                KInstruction *target,
                                                std::vector<ref<Expr> > &arguments) {
-  executor.terminateStateOnError(state, "overflow on unsigned multiplication",
+  executor.terminateStateOnError(state, "overflow on multiplication",
                                  Executor::Overflow);
 }