   LL|       |#![feature(coverage_attribute)]
   LL|       |//@ edition: 2021
   LL|       |//@ compile-flags: -Zcoverage-options=mcdc -Copt-level=z -Cllvm-args=--inline-threshold=0
   LL|       |//@ llvm-cov-flags: --show-branches=count --show-mcdc
   LL|       |
   LL|       |#[inline(always)]
   LL|      3|fn inlined_instance(a: bool, b: bool) -> bool {
   LL|      3|    a && b
                       ^2
  ------------------
  |  Branch (LL:5): [True: 2, False: 1]
  |  Branch (LL:10): [True: 1, False: 1]
  ------------------
  |---> MC/DC Decision Region (LL:5) to (LL:11)
  |
  |  Number of Conditions: 2
  |     Condition C1 --> (LL:5)
  |     Condition C2 --> (LL:10)
  |
  |  Executed MC/DC Test Vectors:
  |
  |     C1, C2    Result
  |  1 { F,  -  = F      }
  |  2 { T,  F  = F      }
  |  3 { T,  T  = T      }
  |
  |  C1-Pair: covered: (1,3)
  |  C2-Pair: covered: (2,3)
  |  MC/DC Coverage for Decision: 100.00%
  |
  ------------------
   LL|      3|}
   LL|       |
   LL|       |#[coverage(off)]
   LL|       |fn main() {
   LL|       |    let _ = inlined_instance(true, false);
   LL|       |    let _ = inlined_instance(false, true);
   LL|       |    let _ = inlined_instance(true, true);
   LL|       |}