Omit JIT compiler from precompiled runtime on ARM, ARM64 and IA32.

runtime/vm/regexp_assembler.cc

Index: runtime/vm/regexp_assembler.cc
diff --git a/runtime/vm/regexp_assembler.cc b/runtime/vm/regexp_assembler.cc
index 588fa8702f1797f5aa5893a80530d4903be0b401..e6d0f7a0297b6ac4ca91f38724df1554a9b928d5 100644
--- a/runtime/vm/regexp_assembler.cc
+++ b/runtime/vm/regexp_assembler.cc
@@ -6,15 +6,64 @@
 
 #include "vm/flags.h"
 #include "vm/regexp.h"
+#include "vm/unibrow-inl.h"
 
 namespace dart {
 
+void PrintUtf16(uint16_t c) {
+  const char* format =
+      (0x20 <= c && c <= 0x7F) ? "%c" : (c <= 0xff) ? "\\x%02x" : "\\u%04x";
+  OS::Print(format, c);
+}
+
+
+static RawBool* CaseInsensitiveCompareUC16(RawString* str_raw,
+                                           RawSmi* lhs_index_raw,
+                                           RawSmi* rhs_index_raw,
+                                           RawSmi* length_raw) {
+  const String& str = String::Handle(str_raw);
+  const Smi& lhs_index = Smi::Handle(lhs_index_raw);
+  const Smi& rhs_index = Smi::Handle(rhs_index_raw);
+  const Smi& length = Smi::Handle(length_raw);
+
+  // TODO(zerny): Optimize as single instance. V8 has this as an
+  // isolate member.
+  unibrow::Mapping<unibrow::Ecma262Canonicalize> canonicalize;
+
+  for (intptr_t i = 0; i < length.Value(); i++) {
+    int32_t c1 = str.CharAt(lhs_index.Value() + i);
+    int32_t c2 = str.CharAt(rhs_index.Value() + i);
+    if (c1 != c2) {
+      int32_t s1[1] = {c1};
+      canonicalize.get(c1, '\0', s1);
+      if (s1[0] != c2) {
+        int32_t s2[1] = {c2};
+        canonicalize.get(c2, '\0', s2);
+        if (s1[0] != s2[0]) {
+          return Bool::False().raw();
+        }
+      }
+    }
+  }
+  return Bool::True().raw();
+}
+
+
+DEFINE_RAW_LEAF_RUNTIME_ENTRY(
+    CaseInsensitiveCompareUC16,
+    4,
+    false /* is_float */,
+    reinterpret_cast<RuntimeFunction>(&CaseInsensitiveCompareUC16));
+
+
 BlockLabel::BlockLabel()
     : block_(NULL), is_bound_(false), is_linked_(false), pos_(-1) {
+#if !defined(DART_PRECOMPILED_RUNTIME)
   if (!FLAG_interpret_irregexp) {
     // Only needed by the compiled IR backend.
     block_ = new JoinEntryInstr(-1, -1, Thread::Current()->GetNextDeoptId());
   }
+#endif
 }