Summary: Fixed incremental build makefiles generated by buildtree.make. Consolidated unix build.sh.
Reviewed-by: twisti

Reviewed-by: kvn, roland
Contributed-by: niclas.adlertz@oracle.com

Summary: test from 8009761 shouldn't be run with -Xcomp
Reviewed-by: kvn

Reviewed-by: roland, kvn
Contributed-by: niclas.adlertz@oracle.com

Summary: Fix shorten_branches() to accurately count an initial nop that may be inserted in a block that starts with a safepoint.
Reviewed-by: kvn

Summary: Execute vzeroupper instruction after JNI call and on exits in jit compiled code which use 256bit vectors.
Reviewed-by: roland

Summary: Add convenience method in StringTable, add WhiteBox method and simple sanity test
Reviewed-by: mgerdin, zgu
Contributed-by: leonid.mesnik@oracle.com

Summary: Use GC_locker::is_active_and_needs_gc() instead of GC_locker::is_active() for providing information about the reason of heap expansion.
Reviewed-by: jmasa, johnc

Reviewed-by: dholmes, sla, ctornqvi

Summary: Pass utf_length parameter to UTF8::as_quoted_ascii()
Reviewed-by: dcubed, minqi

Summary: Improve EC_TRACE and RC_TRACE* to use the do-while(0) trick for statement-like macro
Reviewed-by: sspitsyn, dcubed

8010934: assert failure in c1_LinearScan.cpp: "asumption: non-Constant instructions have only virtual operands"
Summary: incorrect code to skip some ArrayLength instructions in LIRGenerator
Reviewed-by: kvn

Reviewed-by: jcoomes

Reviewed-by: sspitsyn, zgu
Contributed-by: peter.allwin@oracle.com

Summary: Avoid holding SystemDictionary_lock while calling Klass::remove_unshareable_info
Reviewed-by: coleenp, acorn
Contributed-by: ioi.lam@oracle.com

Summary: Supply a new flag -XX:+AssumeMP to workaround the problem. With the flag is turned on, assume VM run on MP platform so is_MP() will return true that sync calls will not skip away.
Reviewed-by: dholmes, acorn, dcubed, jmasa
Contributed-by: yumin.qi@oracle.com

8010474: [parfait] Undefined return value of the functions in hotspot/src/share/vm/services/memTracker.hpp
Summary: Fixed functions that miss return values
Reviewed-by: coleenp, acorn, kvn

Summary: Fix text, overwritten type and holder for resolved method
Reviewed-by: coleenp, dcubed, minqi, dholmes

Summary: Added a new test_env.txt file to capture common shell variable. Added concept of COMPILEJAVA for use when TESTJAVA is a JRE. If COMPILEJAVA not set then TESTJAVA will be the default with assumption it is a JDK.
Reviewed-by: kvn, brutisso, coleenp