clang/test/CodeGen/catch-implicit-conversions-basics-negatives.c

   1 // RUN: %clang_cc1 -fsanitize=implicit-unsigned-integer-truncation,implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-recover=implicit-unsigned-integer-truncation,implicit-signed-integer-truncation,implicit-integer-sign-change -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_implicit_conversion"
   2
   3 // If we have an enum, it will be promoted to an unsigned integer.
   4 // But both types are unsigned, and have same bitwidth.
   5 // So we should not emit any sanitization. Also, for inc/dec we currently assume
   6 // (assert) that we will only have cases where at least one of the types
   7 // is signed, which isn't the case here.
   8 typedef enum { a } b;
   9 b t0(b c) {
  10   c--;
  11   return c;
  12 }