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8182299: Enable disabled clang warnings, build on OSX 10 + Xcode 8

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8182656: Make the required changes in GC code to build on OSX 10 + Xcode 8
8182657: Make the required changes in Runtime code to build on OSX 10 + Xcode 8
8182658: Make the required changes in Compiler code to build on OSX 10 + Xcode 8

Co-authored-by: Paul Hohensee <hohensee@amazon.com>
Reviewed-by: jwilhelm, ehelin, phh
This commit is contained in:
Jesper Wilhelmsson 2017-07-06 01:50:26 +02:00
parent eb20e62194
commit efd1054686
142 changed files with 787 additions and 526 deletions
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13
hotspot/src/share/vm/oops/method.cpp
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@ -550,6 +550,9 @@ bool Method::compute_has_loops_flag() {
case Bytecodes::_jsr_w:
if( bcs.dest_w() < bcs.next_bci() ) _access_flags.set_has_loops();
break;
default:
break;
}
}
_access_flags.set_loops_flag_init();
@ -1390,7 +1393,10 @@ methodHandle Method::clone_with_new_data(methodHandle m, u_char* new_code, int n
ConstMethod* newcm = newm->constMethod();
int new_const_method_size = newm->constMethod()->size();
memcpy(newm(), m(), sizeof(Method));
// This works because the source and target are both Methods. Some compilers
// (e.g., clang) complain that the target vtable pointer will be stomped,
// so cast away newm()'s and m()'s Methodness.
memcpy((void*)newm(), (void*)m(), sizeof(Method));
// Create shallow copy of ConstMethod.
memcpy(newcm, m->constMethod(), sizeof(ConstMethod));
@ -1513,6 +1519,8 @@ void Method::init_intrinsic_id() {
klass_id = vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_Math);
id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags);
break;
default:
break;
}
break;
@ -1524,6 +1532,9 @@ void Method::init_intrinsic_id() {
if (is_static() != MethodHandles::is_signature_polymorphic_static(id))
id = vmIntrinsics::_none;
break;
default:
break;
}
if (id != vmIntrinsics::_none) {