summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--llvm/include/llvm/Support/Error.h20
-rw-r--r--llvm/unittests/Support/ErrorTest.cpp17
2 files changed, 30 insertions, 7 deletions
diff --git a/llvm/include/llvm/Support/Error.h b/llvm/include/llvm/Support/Error.h
index f961a29b33a..350877a219b 100644
--- a/llvm/include/llvm/Support/Error.h
+++ b/llvm/include/llvm/Support/Error.h
@@ -704,6 +704,12 @@ inline void cantFail(Error Err, const char *Msg = nullptr) {
if (Err) {
if (!Msg)
Msg = "Failure value returned from cantFail wrapped call";
+#ifndef NDEBUG
+ std::string Str;
+ raw_string_ostream OS(Str);
+ OS << Msg << "\n" << Err;
+ Msg = OS.str().c_str();
+#endif
llvm_unreachable(Msg);
}
}
@@ -728,6 +734,13 @@ T cantFail(Expected<T> ValOrErr, const char *Msg = nullptr) {
else {
if (!Msg)
Msg = "Failure value returned from cantFail wrapped call";
+#ifndef NDEBUG
+ std::string Str;
+ raw_string_ostream OS(Str);
+ auto E = ValOrErr.takeError();
+ OS << Msg << "\n" << E;
+ Msg = OS.str().c_str();
+#endif
llvm_unreachable(Msg);
}
}
@@ -752,6 +765,13 @@ T& cantFail(Expected<T&> ValOrErr, const char *Msg = nullptr) {
else {
if (!Msg)
Msg = "Failure value returned from cantFail wrapped call";
+#ifndef NDEBUG
+ std::string Str;
+ raw_string_ostream OS(Str);
+ auto E = ValOrErr.takeError();
+ OS << Msg << "\n" << E;
+ Msg = OS.str().c_str();
+#endif
llvm_unreachable(Msg);
}
}
diff --git a/llvm/unittests/Support/ErrorTest.cpp b/llvm/unittests/Support/ErrorTest.cpp
index c4a9f3e5168..2cac94d645b 100644
--- a/llvm/unittests/Support/ErrorTest.cpp
+++ b/llvm/unittests/Support/ErrorTest.cpp
@@ -390,7 +390,8 @@ TEST(Error, FailureToHandle) {
};
EXPECT_DEATH(FailToHandle(),
- "Failure value returned from cantFail wrapped call")
+ "Failure value returned from cantFail wrapped call\n"
+ "CustomError \\{7\\}")
<< "Unhandled Error in handleAllErrors call did not cause an "
"abort()";
}
@@ -409,7 +410,8 @@ TEST(Error, FailureFromHandler) {
};
EXPECT_DEATH(ReturnErrorFromHandler(),
- "Failure value returned from cantFail wrapped call")
+ "Failure value returned from cantFail wrapped call\n"
+ "CustomError \\{7\\}")
<< " Error returned from handler in handleAllErrors call did not "
"cause abort()";
}
@@ -510,11 +512,12 @@ TEST(Error, CantFailSuccess) {
// Test that cantFail results in a crash if you pass it a failure value.
#if LLVM_ENABLE_ABI_BREAKING_CHECKS && !defined(NDEBUG)
TEST(Error, CantFailDeath) {
- EXPECT_DEATH(
- cantFail(make_error<StringError>("foo", inconvertibleErrorCode()),
- "Cantfail call failed"),
- "Cantfail call failed")
- << "cantFail(Error) did not cause an abort for failure value";
+ EXPECT_DEATH(cantFail(make_error<StringError>("Original error message",
+ inconvertibleErrorCode()),
+ "Cantfail call failed"),
+ "Cantfail call failed\n"
+ "Original error message")
+ << "cantFail(Error) did not cause an abort for failure value";
EXPECT_DEATH(
{
OpenPOWER on IntegriCloud