2020-04-12 release

This commit is contained in:
bellard 2020-09-06 19:04:20 +02:00
parent 383e2b06c8
commit 1722758717
14 changed files with 1114 additions and 400 deletions

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@ -1,3 +1,10 @@
2020-04-12:
- added cross realm support
- added AggregateError and Promise.any
- added env, uid and gid options in os.exec()
- misc bug fixes
2020-03-16:
- reworked error handling in std and os libraries: suppressed I/O

4
TODO
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@ -73,6 +73,6 @@ REPL:
Test262o: 0/11262 errors, 463 excluded
Test262o commit: 7da91bceb9ce7613f87db47ddd1292a2dda58b42 (es5-tests branch)
Test262: 22/70040 errors, 860 excluded, 581 skipped
test262 commit: 25c9e334d301944537215caba1d7f44319f3e0da
Test262: 28/70829 errors, 877 excluded, 425 skipped
Test262 commit: 4a8e49b3ca7f9f74a4cafe6621ff9ba548ccc353

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@ -1 +1 @@
2020-03-16
2020-04-12

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@ -72,7 +72,7 @@ ul.no-bullet {list-style: none}
<ul class="no-bullet">
<li><a name="toc-Language-support" href="#Language-support">3.1 Language support</a>
<ul class="no-bullet">
<li><a name="toc-ES2019-support" href="#ES2019-support">3.1.1 ES2019 support</a></li>
<li><a name="toc-ES2020-support" href="#ES2020-support">3.1.1 ES2020 support</a></li>
<li><a name="toc-JSON" href="#JSON">3.1.2 JSON</a></li>
<li><a name="toc-ECMA402" href="#ECMA402">3.1.3 ECMA402</a></li>
<li><a name="toc-Extensions" href="#Extensions">3.1.4 Extensions</a></li>
@ -130,7 +130,7 @@ ul.no-bullet {list-style: none}
<h2 class="chapter">1 Introduction</h2>
<p>QuickJS is a small and embeddable Javascript engine. It supports the
upcoming ES2020 specification
ES2020 specification
<a name="DOCF1" href="#FOOT1"><sup>1</sup></a>
including modules, asynchronous generators, proxies and BigInt.
</p>
@ -146,12 +146,12 @@ and operator overloading.
</li><li> Fast interpreter with very low startup time: runs the 69000 tests of the ECMAScript Test Suite<a name="DOCF2" href="#FOOT2"><sup>2</sup></a> in about 95 seconds on a single core of a desktop PC. The complete life cycle of a runtime instance completes in less than 300 microseconds.
</li><li> Almost complete ES2019 support including modules, asynchronous
</li><li> Almost complete ES2020 support including modules, asynchronous
generators and full Annex B support (legacy web compatibility). Many
features from the upcoming ES2020 specification
features from the upcoming ES2021 specification
<a name="DOCF3" href="#FOOT3"><sup>3</sup></a> are also supported.
</li><li> Passes nearly 100% of the ECMAScript Test Suite tests when selecting the ES2019 features.
</li><li> Passes nearly 100% of the ECMAScript Test Suite tests when selecting the ES2020 features.
</li><li> Compile Javascript sources to executables with no external dependency.
@ -394,18 +394,16 @@ about 100 seconds).
<a name="Language-support"></a>
<h3 class="section">3.1 Language support</h3>
<a name="ES2019-support"></a>
<h4 class="subsection">3.1.1 ES2019 support</h4>
<a name="ES2020-support"></a>
<h4 class="subsection">3.1.1 ES2020 support</h4>
<p>The ES2019 specification is almost fully supported including the Annex
<p>The ES2020 specification is almost fully supported including the Annex
B (legacy web compatibility) and the Unicode related features.
</p>
<p>The following features are not supported yet:
</p>
<ul>
<li> Realms (although the C API supports different runtimes and contexts)
</li><li> Tail calls<a name="DOCF6" href="#FOOT6"><sup>6</sup></a>
<li> Tail calls<a name="DOCF6" href="#FOOT6"><sup>6</sup></a>
</li></ul>
@ -918,6 +916,20 @@ object containing optional parameters:
<dd><p>If present, set the handle in the child for stdin, stdout or stderr.
</p>
</dd>
<dt><code>env</code></dt>
<dd><p>Object. If present, set the process environment from the object
key-value pairs. Otherwise use the same environment as the current
process.
</p>
</dd>
<dt><code>uid</code></dt>
<dd><p>Integer. If present, the process uid with <code>setuid</code>.
</p>
</dd>
<dt><code>gid</code></dt>
<dd><p>Integer. If present, the process gid with <code>setgid</code>.
</p>
</dd>
</dl>
</dd>
@ -1266,7 +1278,7 @@ Bellard and Charlie Gordon.
<h4 class="footnotes-heading">Footnotes</h4>
<h3><a name="FOOT1" href="#DOCF1">(1)</a></h3>
<p><a href="https://www.ecma-international.org/ecma-262/10.0">https://www.ecma-international.org/ecma-262/10.0</a></p>
<p><a href="https://tc39.es/ecma262/">https://tc39.es/ecma262/</a></p>
<h3><a name="FOOT2" href="#DOCF2">(2)</a></h3>
<p><a href="https://github.com/tc39/test262">https://github.com/tc39/test262</a></p>
<h3><a name="FOOT3" href="#DOCF3">(3)</a></h3>

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@ -20,8 +20,8 @@
@chapter Introduction
QuickJS is a small and embeddable Javascript engine. It supports the
upcoming ES2020 specification
@footnote{@url{https://www.ecma-international.org/ecma-262/10.0}}
ES2020 specification
@footnote{@url{https://tc39.es/ecma262/}}
including modules, asynchronous generators, proxies and BigInt.
It supports mathematical extensions such as big decimal float float
@ -36,12 +36,12 @@ and operator overloading.
@item Fast interpreter with very low startup time: runs the 69000 tests of the ECMAScript Test Suite@footnote{@url{https://github.com/tc39/test262}} in about 95 seconds on a single core of a desktop PC. The complete life cycle of a runtime instance completes in less than 300 microseconds.
@item Almost complete ES2019 support including modules, asynchronous
@item Almost complete ES2020 support including modules, asynchronous
generators and full Annex B support (legacy web compatibility). Many
features from the upcoming ES2020 specification
features from the upcoming ES2021 specification
@footnote{@url{https://tc39.github.io/ecma262/}} are also supported.
@item Passes nearly 100% of the ECMAScript Test Suite tests when selecting the ES2019 features.
@item Passes nearly 100% of the ECMAScript Test Suite tests when selecting the ES2020 features.
@item Compile Javascript sources to executables with no external dependency.
@ -259,17 +259,15 @@ about 100 seconds).
@section Language support
@subsection ES2019 support
@subsection ES2020 support
The ES2019 specification is almost fully supported including the Annex
The ES2020 specification is almost fully supported including the Annex
B (legacy web compatibility) and the Unicode related features.
The following features are not supported yet:
@itemize
@item Realms (although the C API supports different runtimes and contexts)
@item Tail calls@footnote{We believe the current specification of tails calls is too complicated and presents limited practical interests.}
@end itemize
@ -705,6 +703,17 @@ object containing optional parameters:
@item stderr
If present, set the handle in the child for stdin, stdout or stderr.
@item env
Object. If present, set the process environment from the object
key-value pairs. Otherwise use the same environment as the current
process.
@item uid
Integer. If present, the process uid with @code{setuid}.
@item gid
Integer. If present, the process gid with @code{setgid}.
@end table
@item waitpid(pid, options)

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@ -1701,10 +1701,12 @@ static int __bf_div(bf_t *r, const bf_t *a, const bf_t *b, limb_t prec,
memset(taba, 0, d * sizeof(limb_t));
memcpy(taba + d, a->tab, a->len * sizeof(limb_t));
if (bf_resize(r, n + 1))
goto fail1;
if (mp_divnorm(s, r->tab, taba, na, b->tab, nb)) {
fail1:
bf_free(s, taba);
goto fail;
if (mp_divnorm(s, r->tab, taba, na, b->tab, nb))
goto fail;
}
/* see if non zero remainder */
if (mp_scan_nz(taba, nb))
r->tab[0] |= 1;

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@ -239,6 +239,7 @@ static JSValue js_printf_internal(JSContext *ctx,
case 's':
if (i >= argc)
goto missing;
/* XXX: handle strings containing null characters */
string_arg = JS_ToCString(ctx, argv[i++]);
if (!string_arg)
goto fail;
@ -843,6 +844,7 @@ static JSValue js_std_file_puts(JSContext *ctx, JSValueConst this_val,
FILE *f;
int i;
const char *str;
size_t len;
if (magic == 0) {
f = stdout;
@ -853,10 +855,10 @@ static JSValue js_std_file_puts(JSContext *ctx, JSValueConst this_val,
}
for(i = 0; i < argc; i++) {
str = JS_ToCString(ctx, argv[i]);
str = JS_ToCStringLen(ctx, &len, argv[i]);
if (!str)
return JS_EXCEPTION;
fputs(str, f);
fwrite(str, 1, len, f);
JS_FreeCString(ctx, str);
}
return JS_UNDEFINED;
@ -2325,6 +2327,121 @@ static JSValue js_os_utimes(JSContext *ctx, JSValueConst this_val,
return JS_NewInt32(ctx, ret);
}
static char **build_envp(JSContext *ctx, JSValueConst obj)
{
uint32_t len, i;
JSPropertyEnum *tab;
char **envp, *pair;
const char *key, *str;
JSValue val;
size_t key_len, str_len;
if (JS_GetOwnPropertyNames(ctx, &tab, &len, obj,
JS_GPN_STRING_MASK | JS_GPN_ENUM_ONLY) < 0)
return NULL;
envp = js_mallocz(ctx, sizeof(envp[0]) * ((size_t)len + 1));
if (!envp)
goto fail;
for(i = 0; i < len; i++) {
val = JS_GetProperty(ctx, obj, tab[i].atom);
if (JS_IsException(val))
goto fail;
str = JS_ToCString(ctx, val);
JS_FreeValue(ctx, val);
if (!str)
goto fail;
key = JS_AtomToCString(ctx, tab[i].atom);
if (!key) {
JS_FreeCString(ctx, str);
goto fail;
}
key_len = strlen(key);
str_len = strlen(str);
pair = js_malloc(ctx, key_len + str_len + 2);
if (!pair) {
JS_FreeCString(ctx, key);
JS_FreeCString(ctx, str);
goto fail;
}
memcpy(pair, key, key_len);
pair[key_len] = '=';
memcpy(pair + key_len + 1, str, str_len);
pair[key_len + 1 + str_len] = '\0';
envp[i] = pair;
JS_FreeCString(ctx, key);
JS_FreeCString(ctx, str);
}
done:
for(i = 0; i < len; i++)
JS_FreeAtom(ctx, tab[i].atom);
js_free(ctx, tab);
return envp;
fail:
if (envp) {
for(i = 0; i < len; i++)
js_free(ctx, envp[i]);
js_free(ctx, envp);
envp = NULL;
}
goto done;
}
/* execvpe is not available on non GNU systems */
static int my_execvpe(const char *filename, char **argv, char **envp)
{
char *path, *p, *p_next, *p1;
char buf[PATH_MAX];
size_t filename_len, path_len;
BOOL eacces_error;
filename_len = strlen(filename);
if (filename_len == 0) {
errno = ENOENT;
return -1;
}
if (strchr(filename, '/'))
return execve(filename, argv, envp);
path = getenv("PATH");
if (!path)
path = "/bin:/usr/bin";
eacces_error = FALSE;
p = path;
for(p = path; p != NULL; p = p_next) {
p1 = strchr(p, ':');
if (!p1) {
p_next = NULL;
path_len = strlen(p);
} else {
p_next = p1 + 1;
path_len = p1 - p;
}
/* path too long */
if ((path_len + 1 + filename_len + 1) > PATH_MAX)
continue;
memcpy(buf, p, path_len);
buf[path_len] = '/';
memcpy(buf + path_len + 1, filename, filename_len);
buf[path_len + 1 + filename_len] = '\0';
execve(buf, argv, envp);
switch(errno) {
case EACCES:
eacces_error = TRUE;
break;
case ENOENT:
case ENOTDIR:
break;
default:
return -1;
}
}
if (eacces_error)
errno = EACCES;
return -1;
}
/* exec(args[, options]) -> exitcode */
static JSValue js_os_exec(JSContext *ctx, JSValueConst this_val,
int argc, JSValueConst *argv)
@ -2332,11 +2449,13 @@ static JSValue js_os_exec(JSContext *ctx, JSValueConst this_val,
JSValueConst options, args = argv[0];
JSValue val, ret_val;
const char **exec_argv, *file = NULL, *str, *cwd = NULL;
char **envp = environ;
uint32_t exec_argc, i;
int ret, pid, status;
BOOL block_flag = TRUE, use_path = TRUE;
static const char *std_name[3] = { "stdin", "stdout", "stderr" };
int std_fds[3];
uint32_t uid = -1, gid = -1;
val = JS_GetPropertyStr(ctx, args, "length");
if (JS_IsException(val))
@ -2410,6 +2529,36 @@ static JSValue js_os_exec(JSContext *ctx, JSValueConst this_val,
std_fds[i] = fd;
}
}
val = JS_GetPropertyStr(ctx, options, "env");
if (JS_IsException(val))
goto exception;
if (!JS_IsUndefined(val)) {
envp = build_envp(ctx, val);
JS_FreeValue(ctx, val);
if (!envp)
goto exception;
}
val = JS_GetPropertyStr(ctx, options, "uid");
if (JS_IsException(val))
goto exception;
if (!JS_IsUndefined(val)) {
ret = JS_ToUint32(ctx, &uid, val);
JS_FreeValue(ctx, val);
if (ret)
goto exception;
}
val = JS_GetPropertyStr(ctx, options, "gid");
if (JS_IsException(val))
goto exception;
if (!JS_IsUndefined(val)) {
ret = JS_ToUint32(ctx, &gid, val);
JS_FreeValue(ctx, val);
if (ret)
goto exception;
}
}
pid = fork();
@ -2435,12 +2584,21 @@ static JSValue js_os_exec(JSContext *ctx, JSValueConst this_val,
if (chdir(cwd) < 0)
_exit(127);
}
if (uid != -1) {
if (setuid(uid) < 0)
_exit(127);
}
if (gid != -1) {
if (setgid(gid) < 0)
_exit(127);
}
if (!file)
file = exec_argv[0];
if (use_path)
ret = execvp(file, (char **)exec_argv);
ret = my_execvpe(file, (char **)exec_argv, envp);
else
ret = execv(file, (char **)exec_argv);
ret = execve(file, (char **)exec_argv, envp);
_exit(127);
}
/* parent */
@ -2467,6 +2625,15 @@ static JSValue js_os_exec(JSContext *ctx, JSValueConst this_val,
for(i = 0; i < exec_argc; i++)
JS_FreeCString(ctx, exec_argv[i]);
js_free(ctx, exec_argv);
if (envp != environ) {
char **p;
p = envp;
while (*p != NULL) {
js_free(ctx, *p);
p++;
}
js_free(ctx, envp);
}
return ret_val;
exception:
ret_val = JS_EXCEPTION;
@ -2700,14 +2867,15 @@ static JSValue js_print(JSContext *ctx, JSValueConst this_val,
{
int i;
const char *str;
size_t len;
for(i = 0; i < argc; i++) {
if (i != 0)
putchar(' ');
str = JS_ToCString(ctx, argv[i]);
str = JS_ToCStringLen(ctx, &len, argv[i]);
if (!str)
return JS_EXCEPTION;
fputs(str, stdout);
fwrite(str, 1, len, stdout);
JS_FreeCString(ctx, str);
}
putchar('\n');

1185
quickjs.c

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@ -333,6 +333,7 @@ JSRuntime *JS_NewRuntime(void);
void JS_SetRuntimeInfo(JSRuntime *rt, const char *info);
void JS_SetMemoryLimit(JSRuntime *rt, size_t limit);
void JS_SetGCThreshold(JSRuntime *rt, size_t gc_threshold);
void JS_SetMaxStackSize(JSRuntime *rt, size_t stack_size);
JSRuntime *JS_NewRuntime2(const JSMallocFunctions *mf, void *opaque);
void JS_FreeRuntime(JSRuntime *rt);
void *JS_GetRuntimeOpaque(JSRuntime *rt);
@ -344,10 +345,10 @@ JS_BOOL JS_IsLiveObject(JSRuntime *rt, JSValueConst obj);
JSContext *JS_NewContext(JSRuntime *rt);
void JS_FreeContext(JSContext *s);
JSContext *JS_DupContext(JSContext *ctx);
void *JS_GetContextOpaque(JSContext *ctx);
void JS_SetContextOpaque(JSContext *ctx, void *opaque);
JSRuntime *JS_GetRuntime(JSContext *ctx);
void JS_SetMaxStackSize(JSContext *ctx, size_t stack_size);
void JS_SetClassProto(JSContext *ctx, JSClassID class_id, JSValue obj);
JSValue JS_GetClassProto(JSContext *ctx, JSClassID class_id);
@ -673,7 +674,7 @@ static inline JSValue JS_DupValueRT(JSRuntime *rt, JSValueConst v)
int JS_ToBool(JSContext *ctx, JSValueConst val); /* return -1 for JS_EXCEPTION */
int JS_ToInt32(JSContext *ctx, int32_t *pres, JSValueConst val);
static int inline JS_ToUint32(JSContext *ctx, uint32_t *pres, JSValueConst val)
static inline int JS_ToUint32(JSContext *ctx, uint32_t *pres, JSValueConst val)
{
return JS_ToInt32(ctx, (int32_t*)pres, val);
}

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@ -1,8 +1,8 @@
/*
* ECMA Test 262 Runner for QuickJS
*
* Copyright (c) 2017-2018 Fabrice Bellard
* Copyright (c) 2017-2018 Charlie Gordon
* Copyright (c) 2017-2020 Fabrice Bellard
* Copyright (c) 2017-2020 Charlie Gordon
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@ -41,8 +41,6 @@
/* enable test262 thread support to test SharedArrayBuffer and Atomics */
#define CONFIG_AGENT
/* cross-realm tests (not supported yet) */
//#define CONFIG_REALM
#define CMD_NAME "run-test262"
@ -730,18 +728,20 @@ static JSValue js_new_agent(JSContext *ctx)
}
#endif
#ifdef CONFIG_REALM
static JSValue js_createRealm(JSContext *ctx, JSValue this_val,
int argc, JSValue *argv)
{
JSContext *ctx1;
/* XXX: the context is not freed, need a refcount */
JSValue ret;
ctx1 = JS_NewContext(JS_GetRuntime(ctx));
if (!ctx1)
return JS_ThrowOutOfMemory(ctx);
return add_helpers1(ctx1);
ret = add_helpers1(ctx1);
/* ctx1 has a refcount so it stays alive */
JS_FreeContext(ctx1);
return ret;
}
#endif
static JSValue add_helpers1(JSContext *ctx)
{
@ -770,12 +770,9 @@ static JSValue add_helpers1(JSContext *ctx)
JS_SetPropertyStr(ctx, obj262, "global",
JS_DupValue(ctx, global_obj));
#ifdef CONFIG_REALM
JS_SetPropertyStr(ctx, obj262, "createRealm",
JS_NewCFunction(ctx, js_createRealm,
"createRealm", 0));
#endif
JS_SetPropertyStr(ctx, global_obj, "$262", JS_DupValue(ctx, obj262));

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@ -48,7 +48,7 @@ testdir=test262/test
# list the features that are included
# skipped features are tagged as such to avoid warnings
AggregateError=skip
AggregateError
Array.prototype.flat
Array.prototype.flatMap
Array.prototype.flatten
@ -70,7 +70,7 @@ class-static-methods-private
coalesce-expression
computed-property-names
const
cross-realm=skip
cross-realm
DataView
DataView.prototype.getFloat32
DataView.prototype.getFloat64
@ -102,6 +102,7 @@ Int8Array
IsHTMLDDA=skip
json-superset
let
logical-assignment-operators=skip
Map
new.target
numeric-separator-literal
@ -112,6 +113,7 @@ Object.is
optional-catch-binding
optional-chaining
Promise.allSettled
Promise.any
Promise.prototype.finally
Proxy
proxy-missing-checks
@ -179,5 +181,8 @@ test262/test/built-ins/ThrowTypeError/unique-per-realm-function-proto.js
#test262/test/built-ins/RegExp/CharacterClassEscapes/
#test262/test/built-ins/RegExp/property-escapes/
# invalid tests
test262/test/language/module-code/verify-dfs.js
[tests]
# list test files or use config.testdir

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@ -1,9 +1,15 @@
test262/test/built-ins/Function/internals/Construct/derived-this-uninitialized-realm.js:20: Test262Error: Expected a ReferenceError but got a ReferenceError
test262/test/built-ins/Function/internals/Construct/derived-this-uninitialized-realm.js:20: strict mode: Test262Error: Expected a ReferenceError but got a ReferenceError
test262/test/built-ins/Proxy/ownKeys/trap-is-undefined-target-is-proxy.js:29: Test262Error: Expected [0, length, foo, Symbol()] and [Symbol(), length, foo, 0] to have the same contents.
test262/test/built-ins/Proxy/ownKeys/trap-is-undefined-target-is-proxy.js:29: strict mode: Test262Error: Expected [0, length, foo, Symbol()] and [Symbol(), length, foo, 0] to have the same contents.
test262/test/language/expressions/arrow-function/eval-var-scope-syntax-err.js:47: Test262Error: Expected a SyntaxError to be thrown but no exception was thrown at all
test262/test/language/expressions/async-arrow-function/eval-var-scope-syntax-err.js:49: TypeError: $DONE() not called
test262/test/language/expressions/async-function/named-eval-var-scope-syntax-err.js:33: TypeError: $DONE() not called
test262/test/language/expressions/async-function/nameless-eval-var-scope-syntax-err.js:33: TypeError: $DONE() not called
test262/test/language/expressions/async-generator/eval-var-scope-syntax-err.js:28: Test262Error: Expected a SyntaxError to be thrown but no exception was thrown at all
test262/test/language/expressions/async-generator/named-eval-var-scope-syntax-err.js:28: Test262Error: Expected a SyntaxError to be thrown but no exception was thrown at all
test262/test/language/expressions/class/elements/grammar-private-field-optional-chaining.js:26: SyntaxError: expecting field name
test262/test/language/expressions/class/elements/grammar-private-field-optional-chaining.js:26: strict mode: SyntaxError: expecting field name
test262/test/language/expressions/dynamic-import/usage-from-eval.js:26: TypeError: $DONE() not called
test262/test/language/expressions/dynamic-import/usage-from-eval.js:26: strict mode: TypeError: $DONE() not called
test262/test/language/expressions/function/eval-var-scope-syntax-err.js:48: Test262Error: Expected a SyntaxError to be thrown but no exception was thrown at all
@ -16,7 +22,7 @@ test262/test/language/expressions/optional-chaining/optional-call-preserves-this
test262/test/language/expressions/optional-chaining/optional-call-preserves-this.js:15: strict mode: TypeError: value has no property
test262/test/language/statements/async-function/eval-var-scope-syntax-err.js:33: TypeError: $DONE() not called
test262/test/language/statements/async-generator/eval-var-scope-syntax-err.js:28: Test262Error: Expected a SyntaxError to be thrown but no exception was thrown at all
test262/test/language/statements/for-await-of/async-gen-decl-dstr-array-elem-iter-rtrn-close-null.js:81: TypeError: $DONE() not called
test262/test/language/statements/for-await-of/async-gen-decl-dstr-array-elem-iter-rtrn-close-null.js:81: strict mode: TypeError: $DONE() not called
test262/test/language/statements/class/elements/grammar-private-field-optional-chaining.js:26: SyntaxError: expecting field name
test262/test/language/statements/class/elements/grammar-private-field-optional-chaining.js:26: strict mode: SyntaxError: expecting field name
test262/test/language/statements/function/eval-var-scope-syntax-err.js:49: Test262Error: Expected a SyntaxError to be thrown but no exception was thrown at all
test262/test/language/statements/generators/eval-var-scope-syntax-err.js:49: Test262Error: Expected a SyntaxError to be thrown but no exception was thrown at all

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@ -214,7 +214,11 @@ function test_os_exec()
assert(ret, 1);
fds = os.pipe();
pid = os.exec(["echo", "hello"], { stdout: fds[1], block: false } );
pid = os.exec(["sh", "-c", "echo $FOO"], {
stdout: fds[1],
block: false,
env: { FOO: "hello" },
} );
assert(pid >= 0);
os.close(fds[1]); /* close the write end (as it is only in the child) */
f = std.fdopen(fds[0], "r");