8326101: [PPC64] Need to bailout cleanly if creation of stubs fails when code cache is out of space

Reviewed-by: rrich, mbaesken

Author: TheRealMDoerr

src/hotspot/cpu/ppc/c1_CodeStubs_ppc.cpp

@@ -456,6 +456,9 @@ void ArrayCopyStub::emit_code(LIR_Assembler* ce) {
   __ extsw(R7_ARG5, length()->as_register());
 
   ce->emit_static_call_stub();
+  if (ce->compilation()->bailed_out()) {
+    return; // CodeCache is full
+  }
 
   bool success = ce->emit_trampoline_stub_for_call(SharedRuntime::get_resolve_static_call_stub());
   if (!success) { return; }

src/hotspot/cpu/ppc/ppc.ad

@@ -2027,7 +2027,10 @@ int HandlerImpl::emit_exception_handler(CodeBuffer &cbuf) {
   C2_MacroAssembler _masm(&cbuf);
 
   address base = __ start_a_stub(size_exception_handler());
-  if (base == nullptr) return 0; // CodeBuffer::expand failed
+  if (base == nullptr) {
+    ciEnv::current()->record_failure("CodeCache is full");
+    return 0;  // CodeBuffer::expand failed
+  }
 
   int offset = __ offset();
   __ b64_patchable((address)OptoRuntime::exception_blob()->content_begin(),
@@ -2044,7 +2047,10 @@ int HandlerImpl::emit_deopt_handler(CodeBuffer& cbuf) {
   C2_MacroAssembler _masm(&cbuf);
 
   address base = __ start_a_stub(size_deopt_handler());
-  if (base == nullptr) return 0; // CodeBuffer::expand failed
+  if (base == nullptr) {
+    ciEnv::current()->record_failure("CodeCache is full");
+    return 0;  // CodeBuffer::expand failed
+  }
 
   int offset = __ offset();
   __ bl64_patchable((address)SharedRuntime::deopt_blob()->unpack(),