[heap] Remove max executable size configuration.

src/arm64/assembler-arm64.cc

Index: src/arm64/assembler-arm64.cc
diff --git a/src/arm64/assembler-arm64.cc b/src/arm64/assembler-arm64.cc
index ac6931dec76d3e95aa3f8ab86eb64f6faef9a857..ec12e77274a517b0dad02cab7b1618bd077e5004 100644
--- a/src/arm64/assembler-arm64.cc
+++ b/src/arm64/assembler-arm64.cc
@@ -2905,7 +2905,14 @@ void Assembler::GrowBuffer() {
   } else {
     desc.buffer_size = buffer_size_ + 1 * MB;
   }
-  CHECK_GT(desc.buffer_size, 0);  // No overflow.
+
+  // Some internal data structures overflow for very large buffers,
+  // they must ensure that kMaximalBufferSize is not too large.
+  if (desc.buffer_size > kMaximalBufferSize ||
+      static_cast<size_t>(desc.buffer_size) >
+          isolate_data().max_old_generation_size_) {
+    V8::FatalProcessOutOfMemory("Assembler::GrowBuffer");
+  }
 
   byte* buffer = reinterpret_cast<byte*>(buffer_);