Summary: partial peel can leave a pinned node between predicates and loop and prevent some loop predication
Reviewed-by: kvn, phh, andrew

Reviewed-by: dsamersoff

Reviewed-by: serb, kcr

Reviewed-by: andrew, ihse, martin

--HG--
extra : amend_source : fc2cd10acf61adc05a2abb8e8de2d6cd37b1cf70

Reviewed-by: phh, dholmes

Summary: Correct the obsolete version of UseOldInlining and AutoShutdownNMT, and delete UseOldInlining in c2_globals.hpp
Reviewed-by: phh

8041620: Solaris Studio 12.4 C++ 5.13 change in behavior for placing friend declarations within surrounding scope.
Summary: Remove adlc's unused class FileBuffRegion.
Reviewed-by: coleenp, dholmes, kvn

8233023: assert(Opcode() == mem->Opcode() || phase->C->get_alias_index(adr_type()) == Compile::AliasIdxRaw) failed: no mismatched stores, except on raw memory
Summary: Include missing verification code from JDK-8140309 backport
Reviewed-by: phh, roland

Summary: error handling for "lib_base_diff == 0"
Reviewed-by: ysuenaga, cjplummer, kevinw
Contributed-by: suenaga@oss.nttdata.com

Summary: Reverse uses of fork_and_exec() second argument in vError.cpp.
Reviewed-by: sgehwolf, simonis

8156028: G1YoungGenSizer _adaptive_size not correct when setting NewSize and MaxNewSize to the same value
Reviewed-by: jmasa, sangheki, drwhite, phh
Contributed-by: maoliang.ml@alibaba-inc.com

Reviewed-by: mdoerr, kbarrett, tschatzl

Reviewed-by: tschatzl, kbarrett

Summary: Weakened too strong assert.
Reviewed-by: kvn, roland

--HG--
extra : rebase_source : ad2511a886c7c243487bcb8c02289900400e2b93

Reviewed-by: thartmann, mdoerr

--HG--
extra : rebase_source : 506ba6f67cb248fb78906f8e66a5679f1b69e571

Reviewed-by: stuefe, zgu

Summary: Bail out of superword optimization if loop was removed (i.e., if zero-trip Opaque1Node was removed).
Reviewed-by: kvn, roland

--HG--
extra : rebase_source : c0aaf50465968cd558ac8f12e9f4577cbc2774c2

Reviewed-by: shade, stuefe, coleenp

Reviewed-by: kvn, mcberg
Contributed-by: ygaevsky@azul.com

Reviewed-by: kvn, jrose, phh

Summary: Fixed recognition of unnecessary GCLocker collections.
Reviewed-by: pliden, tschatzl
Contributed-by: johnc@azul.com

Reviewed-by: iveresov

Summary: Allow zero sized code buffer when checking if there's enough remaining size
Reviewed-by: kvn

Reviewed-by: phh, andrew

Summary: Duplicate cmp node in empty loop if it has other users
Reviewed-by: neliasso, thartmann
Contributed-by: wanghuang3@huawei.com, xietuo@huawei.com

Reviewed-by: andrew