[coverage] Block coverage with support for IfStatements

test/unittests/interpreter/bytecode-array-builder-unittest.cc

Index: test/unittests/interpreter/bytecode-array-builder-unittest.cc
diff --git a/test/unittests/interpreter/bytecode-array-builder-unittest.cc b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
index 26d715752805a139b99395ace5db6fb3fbc633ab..59105623893f97307d1f7e08c7750d527261cc5f 100644
--- a/test/unittests/interpreter/bytecode-array-builder-unittest.cc
+++ b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
@@ -372,6 +372,10 @@ TEST_F(BytecodeArrayBuilderTest, AllBytecodesGenerated) {
     builder.Debugger();
   }
 
+  // Emit block counter increments.
+  FLAG_block_coverage = true;  // Satisfy DCHECKs.
+  builder.IncBlockCounter(0);
+
   // Bind labels for long jumps at the very end.
   for (size_t i = 0; i < arraysize(end); i++) {
     builder.Bind(&end[i]);