Fix hprof/ahat for string compression.
Test: m test-art-host
Test: m ahat-test
Test: m test-art-host with string compression enabled
Test: m ahat-test with string compression enabled
Bug: 31040547
Change-Id: I660e39c586d23f4a95686d484ca108466e52d249
diff --git a/runtime/mirror/string.h b/runtime/mirror/string.h
index 95b6c3e..409c6c2 100644
--- a/runtime/mirror/string.h
+++ b/runtime/mirror/string.h
@@ -241,8 +241,9 @@
REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_);
// Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses".
- // First bit (uppermost/leftmost) is taken out for Compressed/Uncompressed flag
- // [0] Uncompressed: string uses 16-bit memory | [1] Compressed: 8-bit memory
+
+ // If string compression is enabled, count_ holds the StringCompressionFlag in the
+ // least significant bit and the length in the remaining bits, length = count_ >> 1.
int32_t count_;
uint32_t hash_code_;