master
8309413: Improve the performance of MethodTypeDesc::descriptorString 8304932: MethodTypeDescImpl can be mutated by argument passed to MethodTypeDesc.of
8267174: Many test files have the wrong Copyright header
8342958: Use jvmArgs consistently in microbenchmarks 8343345: Use -jvmArgsPrepend when running microbenchmarks in RunTests.gmk
8343377: Performance regression in reflective invocation of native methods
8287798: Reduce runtime of java.lang.reflect/runtime microbenchmarks
8302315: Examine cost of clone of primitive arrays compared to arraycopy
8287810: Reduce runtime of java.lang microbenchmarks
8290115: ArrayCopyObject JMH has wrong package
8299441: Fix typos in some test files under core-libs component
8260337: Optimize ImageReader lookup, used by Class.getResource
8294198: Implement isFinite intrinsic for RISC-V
8306075: Micro-optimize Enum.hashCode
8290034: Auto vectorize reverse bit operations.
8275167: x86 intrinsic for unsignedMultiplyHigh
8302871: Speed up StringLatin1.regionMatchesCI
8306647: Implementation of Structured Concurrency (Preview) 8306572: Implementation of Scoped Values (Preview)
8291641: Optimize StackTraceElement.toString()
8282429: StringBuilder/StringBuffer.toString() skip compressing for UTF16 strings
8302163: Speed up various String comparison methods with ArraysSupport.mismatch
8247681: Improve bootstrapping of unary concatenations
8311906: Improve robustness of String constructors with mutable array inputs 8321180: Condition for non-latin1 string size too large exception is off by one 8322018: Test java/lang/String/CompactString/MaxSizeUTF16String.java fails with -Xcomp 8321514: UTF16 string gets constructed incorrectly from codepoints if CompactStrings is not enabled 8325590: Regression in round-tripping UTF-16 strings after JDK-8311906
8281146: Replace StringCoding.hasNegatives with countPositives
8282047: Enhance StringDecode/Encode microbenchmarks
8297561: Redundant index check in String.offsetByCodePoints()
8240094: Optimize empty substring handling
8305092: Improve Thread.sleep(millis, nanos) for sub-millisecond granularity