Reviewed-by: brutisso, tschatzl, sjohanss

8200109: NMT: diff_malloc_site assert(early->flags() == current->flags(), "Must be the same memory type")
Reviewed-by: shade, coleenp

Summary: On Linux, use vfork in case of an OOM.
Reviewed-by: dholmes, iklam

8214189: test/hotspot/jtreg/compiler/intrinsics/mathexact/MulExactLConstantTest.java fails on Windows x64 when run with -XX:-TieredCompilation
Reviewed-by: kvn

Reviewed-by: iveresov, kvn

Reviewed-by: kbarrett, stuefe

Reviewed-by: shade, kbarrett
Contributed-by: NSimon Tooke <stooke@redhat.com>

Reviewed-by: mdoerr, shade

Reviewed-by: kvn, dlong, aph

Reviewed-by: tschatzl, stuefe

Summary: Fix some integer overflows
Reviewed-by: jrose, kvn, kbarrett, adinn, iklam

Summary: Memory pools can now be optional collection participants, e.g., G1 Old Gen in an incremental collection.
Reviewed-by: tschatzl, jcbeyler, andrew

Summary: Pass the empty string instead of NULL for safer strcmp usage
Reviewed-by: andrew
Contributed-by: NSiddhesh Poyarekar <siddhesh@gotplt.org>

Reviewed-by: kbarrett, vlivanov

8208480: Test failure: assert(is_bound() || is_unused()) after JDK-8206075 in C1
Summary: Combine unbound Label assertion checking backports
Reviewed-by: andrew, coffeys

Reviewed-by: mdoerr
Contributed-by: NGustavo Serra Scalet <gustavo.scalet@eldorado.org.br>

Summary: Introduce alignment-safe Copy::conjoint_swap and JVM_CopySwapMemory
Reviewed-by: mikael, dholmes

Reviewed-by: dholmes, dcubed, coleenp, kvn

Summary: Correction of failed backport of JDK-8211394 via JDK-8212696.
Reviewed-by: dholmes, coffeys

Reviewed-by: neliasso, kvn

Reviewed-by: kvn

Reviewed-by: dholmes, jcbeyler

Reviewed-by: dbuck

Summary: Backport from JDK12
Reviewed-by: dholmes

Summary: Backport from JDK9
Reviewed-by: dholmes, coffeys

8172850: Anti-dependency on membar causes crash in register allocator due to invalid instruction scheduling
Summary: Regression test and additional asserts. The problem is fixed by 8087341.
Reviewed-by: kvn

Reviewed-by: acorn, coleenp, kvn, vlivanov

Reviewed-by: acorn, hseigel, ahgross, rhalade

Summary: Created tests for the feature
Reviewed-by: mseledtsov

Reviewed-by: tschatzl

Reviewed-by: dholmes

Reviewed-by: dholmes

8206454: [8u] os::current_stack_pointer() fails to compile on later Windows compilers (warning C4172: returning address of local variable)
Reviewed-by: dholmes, kbarrett

Reviewed-by: bobv, dbuck

Reviewed-by: bobv, dbuck

Reviewed-by: dholmes

Summary: Introduce alignment-safe Copy::conjoint_swap and JVM_CopySwapMemory
Reviewed-by: mikael, dholmes

Summary: Add resolved_references and init_lock as hidden static field in class so root is found.
Reviewed-by: dholmes, coleenp

8204872: [8u] VS2017: more instances of "error C3680: cannot concatenate user-defined string literals with mismatched literal suffix identifiers"
Reviewed-by: dholmes

Reviewed-by: acorn, ahgross, rhalade
Contributed-by: harold.seigel@oracle.com