mraleph

 --- Raw source ---
(str, i) {
  return str.charCodeAt(i);
}


--- Optimized code ---
optimization_id = 0
source_position = 14
kind = OPTIMIZED_FUNCTION

mraleph

⏩ RUNNING: cd dev/automated_tests; ../../bin/flutter test --local-engine=host_debug --preview-dart-2 test_smoke_test/fail_test.dart
⏩ RUNNING: cd dev/automated_tests; ../../bin/flutter test --local-engine=host_debug --preview-dart-2 test_smoke_test/pass_test.dart
⏩ RUNNING: cd dev/automated_tests; ../../bin/flutter test --local-engine=host_debug --preview-dart-2 test_smoke_test/crash1_test.dart
⏩ RUNNING: cd dev/automated_tests; ../../bin/flutter test --local-engine=host_debug --preview-dart-2 test_smoke_test/crash2_test.dart
⏩ RUNNING: cd dev/automated_tests; ../../bin/flutter test --local-engine=host_debug --preview-dart-2 test_smoke_test/syntax_error_test.broken_dart
⏩ RUNNING: cd dev/automated_tests; ../../bin/flutter test --local-engine=host_debug --preview-dart-2 test_smoke_test/missing_import_test.broken_dart
⏩ RUNNING: cd packages/flutter_driver; ../../bin/flutter drive --use-existing-app -t test_driver/failure.dart
⏩ RUNNING: cd packages/flutter; ../../bin/flutter test --local-engine=host_debug --pre

mraleph

abstract class B {
}

class C extends B {
  bool c;
}

abstract class Base<T extends B> {
  T get f => null;
}

mraleph

#define __ f+=
struct Bind {
  Bind(BlockEntryInstr* block) : block(block) { }

  BlockEntryInstr* block;
}

Fragment operator + (const Fragment& f, const Bind& bind) {
  return Fragment(f.entry, bind.block);
}

mraleph

╰─$ lua /tmp/x.lua 
true	I yielded
I resumed
true	I am done

mraleph

--- Raw source ---
(arr) {
  var res = 0;
  for (var i = 0; i < arr.length; i++) {
    res ^= arr[i];
  }
  return res;
}

mraleph

class Nothing { const Nothing(); }
class Pipeable {
  var value = const Nothing();
  operator |(f) {
    if (f == const Nothing()) {
      return value;
    } else if (value == const Nothing()) {
      value = f();
    } else {
      value = f(value);

mraleph

diff --git a/runtime/bin/platform_linux.cc b/runtime/bin/platform_linux.cc
index e681f034b8..09760e7df8 100644
--- a/runtime/bin/platform_linux.cc
+++ b/runtime/bin/platform_linux.cc
@@ -50,18 +50,18 @@ bool Platform::Initialize() {
     perror("sigaddset() failed");
     return false;
   }
-  if (sigaction(SIGSEGV, &act, NULL) != 0) {
-    perror("sigaction() failed.");

mraleph

╭─ ~/src/node ‹master*›
╰─$ alias nodeir='node --trace-turbo                \
                       --trace-phase=Z              \
                       --trace-deopt                \
                       --code-comments              \
                       --hydrogen-track-positions   \
                       --redirect-code-traces       \
                       --print-opt-code'

mraleph

library mirrors.src.decode;

import 'dart:mirrors' as mirrors;
import 'dart:convert';

/// Create an object of the given type [t] from the given JSON string.
decode(String json, Type t) {
  // Get deserialization descriptor for the given type.
  // This descriptor describes how to handle the type and all its fields.
  final TypeDesc desc = getDesc(t);