RUN: rm -f %t-ImplicitSignedIntegerTruncationTest-Ubsan RUN: %cpp_compiler -fsanitize=implicit-signed-integer-truncation -fno-sanitize-recover=all %S/ImplicitSignedIntegerTruncationTest.cpp -o %t-ImplicitSignedIntegerTruncationTest-Ubsan RUN: not %run %t-ImplicitSignedIntegerTruncationTest-Ubsan 2>&1 | FileCheck %s CHECK: ImplicitSignedIntegerTruncationTest.cpp:23:17: runtime error: implicit conversion from type 'int' of value 256 (32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (8-bit, unsigned) CHECK: Test unit written to ./crash-