12 lines · c
1// RUN: %clang_cc1 -triple arm64-apple-macosx14.0.0 -O0 -debug-info-kind=standalone -dwarf-version=5 \2// RUN: -fsanitize=implicit-unsigned-integer-truncation -fsanitize-trap=implicit-unsigned-integer-truncation -emit-llvm %s -o - | FileCheck %s3 4unsigned long long big;5 6unsigned implicit_conversion(void) { return big; }7 8// CHECK-LABEL: @implicit_conversion9// CHECK: call void @llvm.ubsantrap(i8 7) {{.*}}!dbg [[LOC:![0-9]+]]10// CHECK: [[LOC]] = !DILocation(line: 0, scope: [[MSG:![0-9]+]], {{.+}})11// CHECK: [[MSG]] = distinct !DISubprogram(name: "__clang_trap_msg$Undefined Behavior Sanitizer$Implicit integer conversion overflowed or lost data"12