Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 404 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/wasm/binary.js b/js/src/jit-test/tests/wasm/binary.js
new file mode 100644
index 0000000000..232d22e9bf
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/binary.js
@@ -0,0 +1,404 @@
+load(libdir + "wasm-binary.js");
+
+const { extractStackFrameFunction } = WasmHelpers;
+
+const { Module, RuntimeError, CompileError } = WebAssembly;
+
+const magicError = /failed to match magic number/;
+const unknownSection = /expected custom section/;
+
+function sectionError(section) {
+    return RegExp(`failed to start ${section} section`);
+}
+
+function versionError(actual) {
+    var expect = encodingVersion;
+    var str = `binary version 0x${actual.toString(16)} does not match expected version 0x${expect.toString(16)}`;
+    return RegExp(str);
+}
+
+const U32MAX_LEB = [255, 255, 255, 255, 15];
+
+const wasmEval = (code, imports) => new WebAssembly.Instance(new Module(code), imports).exports;
+
+assertErrorMessage(() => wasmEval(toU8([])), CompileError, magicError);
+assertErrorMessage(() => wasmEval(toU8([42])), CompileError, magicError);
+assertErrorMessage(() => wasmEval(toU8([magic0, magic1, magic2])), CompileError, magicError);
+assertErrorMessage(() => wasmEval(toU8([1,2,3,4])), CompileError, magicError);
+assertErrorMessage(() => wasmEval(toU8([magic0, magic1, magic2, magic3])), CompileError, versionError(0x6d736100));
+assertErrorMessage(() => wasmEval(toU8([magic0, magic1, magic2, magic3, 1])), CompileError, versionError(0x6d736100));
+assertErrorMessage(() => wasmEval(toU8([magic0, magic1, magic2, magic3, ver0])), CompileError, versionError(0x6d736100));
+assertErrorMessage(() => wasmEval(toU8([magic0, magic1, magic2, magic3, ver0, ver1, ver2])), CompileError, versionError(0x6d736100));
+
+var o = wasmEval(toU8(moduleHeaderThen()));
+assertEq(Object.getOwnPropertyNames(o).length, 0);
+
+// unfinished known sections
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(typeId))), CompileError, sectionError("type"));
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(importId))), CompileError, sectionError("import"));
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(functionId))), CompileError, sectionError("function"));
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(tableId))), CompileError, sectionError("table"));
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(memoryId))), CompileError, sectionError("memory"));
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(globalId))), CompileError, sectionError("global"));
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(exportId))), CompileError, sectionError("export"));
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(startId))), CompileError, sectionError("start"));
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(elemId))), CompileError, sectionError("elem"));
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(codeId))), CompileError, sectionError("code"));
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(dataId))), CompileError, sectionError("data"));
+
+// unknown sections are unconditionally rejected
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(37))), CompileError, unknownSection);
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(37, 0))), CompileError, unknownSection);
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(37, 1, 0))), CompileError, unknownSection);
+
+// user sections have special rules
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(0))), CompileError, sectionError("custom"));  // no length
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(0, 0))), CompileError, sectionError("custom"));  // no id
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(0, 0, 0))), CompileError, sectionError("custom"));  // payload too small to have id length
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(0, 1, 1))), CompileError, sectionError("custom"));  // id not present
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(0, 1, 1, 65))), CompileError, sectionError("custom"));  // id length doesn't fit in section
+assertErrorMessage(() => wasmEval(toU8(moduleHeaderThen(0, 1, 0, 0))), CompileError, sectionError("custom"));  // second, unfinished custom section
+wasmEval(toU8(moduleHeaderThen(0, 1, 0)));  // empty id
+wasmEval(toU8(moduleHeaderThen(0, 1, 0,  0, 1, 0)));  // 2x empty id
+wasmEval(toU8(moduleHeaderThen(0, 2, 1, 65)));  // id = "A"
+
+const v2vSig = {args:[], ret:VoidCode};
+const v2vSigSection = sigSection([v2vSig]);
+const i2vSig = {args:[I32Code], ret:VoidCode};
+const v2vBody = funcBody({locals:[], body:[]});
+
+assertErrorMessage(() => wasmEval(moduleWithSections([ {name: typeId, body: U32MAX_LEB } ])), CompileError, /too many types/);
+assertErrorMessage(() => wasmEval(moduleWithSections([ {name: typeId, body: [1, 0], } ])), CompileError, /expected type form/);
+assertErrorMessage(() => wasmEval(moduleWithSections([ {name: typeId, body: [1, FuncCode, ...U32MAX_LEB], } ])), CompileError, /too many arguments in signature/);
+
+assertThrowsInstanceOf(() => wasmEval(moduleWithSections([{name: typeId, body: [1]}])), CompileError);
+assertThrowsInstanceOf(() => wasmEval(moduleWithSections([{name: typeId, body: [1, 1, 0]}])), CompileError);
+
+wasmEval(moduleWithSections([sigSection([])]));
+wasmEval(moduleWithSections([v2vSigSection]));
+wasmEval(moduleWithSections([sigSection([i2vSig])]));
+wasmEval(moduleWithSections([sigSection([v2vSig, i2vSig])]));
+
+assertErrorMessage(() => wasmEval(moduleWithSections([sigSection([{args:[], ret:100}])])), CompileError, /bad type/);
+assertErrorMessage(() => wasmEval(moduleWithSections([sigSection([{args:[100], ret:VoidCode}])])), CompileError, /bad type/);
+
+assertThrowsInstanceOf(() => wasmEval(moduleWithSections([sigSection([]), declSection([0])])), CompileError, /signature index out of range/);
+assertThrowsInstanceOf(() => wasmEval(moduleWithSections([v2vSigSection, declSection([1])])), CompileError, /signature index out of range/);
+assertErrorMessage(() => wasmEval(moduleWithSections([v2vSigSection, declSection([0])])), CompileError, /expected code section/);
+wasmEval(moduleWithSections([v2vSigSection, declSection([0]), bodySection([v2vBody])]));
+
+assertErrorMessage(() => wasmEval(moduleWithSections([v2vSigSection, declSection([0]), bodySection([v2vBody.concat(v2vBody)])])), CompileError, /byte size mismatch in code section/);
+
+assertThrowsInstanceOf(() => wasmEval(moduleWithSections([v2vSigSection, {name: importId, body:[]}])), CompileError);
+assertErrorMessage(() => wasmEval(moduleWithSections([importSection([{sigIndex:0, module:"a", func:"b"}])])), CompileError, /signature index out of range/);
+assertErrorMessage(() => wasmEval(moduleWithSections([v2vSigSection, importSection([{sigIndex:1, module:"a", func:"b"}])])), CompileError, /signature index out of range/);
+wasmEval(moduleWithSections([v2vSigSection, importSection([])]));
+wasmEval(moduleWithSections([v2vSigSection, importSection([{sigIndex:0, module:"a", func:""}])]), {a:{"":()=>{}}});
+
+wasmEval(moduleWithSections([
+    v2vSigSection,
+    importSection([{sigIndex:0, module:"a", func:""}]),
+    declSection([0]),
+    bodySection([v2vBody])
+]), {a:{"":()=>{}}});
+
+assertErrorMessage(() => wasmEval(moduleWithSections([ dataSection([{offset:1, elems:[]}]) ])), CompileError, /data segment requires a memory section/);
+
+wasmEval(moduleWithSections([tableSection(0)]));
+wasmEval(moduleWithSections([elemSection([])]));
+wasmEval(moduleWithSections([tableSection(0), elemSection([])]));
+wasmEval(moduleWithSections([tableSection(1), elemSection([{offset:1, elems:[]}])]));
+assertErrorMessage(() => wasmEval(moduleWithSections([tableSection(1), elemSection([{offset:0, elems:[0]}])])), CompileError, /table element out of range/);
+wasmEval(moduleWithSections([v2vSigSection, declSection([0]), tableSection(1), elemSection([{offset:0, elems:[0]}]), bodySection([v2vBody])]));
+wasmEval(moduleWithSections([v2vSigSection, declSection([0]), tableSection(2), elemSection([{offset:0, elems:[0,0]}]), bodySection([v2vBody])]));
+assertErrorMessage(() => wasmEval(moduleWithSections([v2vSigSection, declSection([0]), tableSection(2), elemSection([{offset:0, elems:[0,1]}]), bodySection([v2vBody])])), CompileError, /table element out of range/);
+wasmEval(moduleWithSections([v2vSigSection, declSection([0,0,0]), tableSection(4), elemSection([{offset:0, elems:[0,1,0,2]}]), bodySection([v2vBody, v2vBody, v2vBody])]));
+wasmEval(moduleWithSections([sigSection([v2vSig,i2vSig]), declSection([0,0,1]), tableSection(3), elemSection([{offset:0,elems:[0,1,2]}]), bodySection([v2vBody, v2vBody, v2vBody])]));
+
+wasmEval(moduleWithSections([tableSection0()]));
+
+wasmEval(moduleWithSections([memorySection(0)]));
+
+function invalidMemorySection2() {
+    var body = [];
+    body.push(...varU32(2));           // number of memories
+    body.push(...varU32(0x0));
+    body.push(...varU32(0));
+    body.push(...varU32(0x0));
+    body.push(...varU32(0));
+    return { name: memoryId, body };
+}
+
+wasmEval(moduleWithSections([memorySection0()]));
+assertErrorMessage(() => wasmEval(moduleWithSections([invalidMemorySection2()])), CompileError, /number of memories must be at most one/);
+
+// Test early 'end'
+const bodyMismatch = /(function body length mismatch)|(operators remaining after end of function)/;
+assertErrorMessage(() => wasmEval(moduleWithSections([v2vSigSection, declSection([0]), bodySection([funcBody({locals:[], body:[EndCode]})])])), CompileError, bodyMismatch);
+assertErrorMessage(() => wasmEval(moduleWithSections([v2vSigSection, declSection([0]), bodySection([funcBody({locals:[], body:[UnreachableCode,EndCode]})])])), CompileError, bodyMismatch);
+assertErrorMessage(() => wasmEval(moduleWithSections([v2vSigSection, declSection([0]), bodySection([funcBody({locals:[], body:[EndCode,UnreachableCode]})])])), CompileError, bodyMismatch);
+
+// Ignore errors in name section.
+var tooBigNameSection = {
+    name: userDefinedId,
+    body: [...string(nameName), ...varU32(Math.pow(2, 31))] // declare 2**31 functions.
+};
+wasmEval(moduleWithSections([tooBigNameSection]));
+
+// Skip custom sections before any expected section
+var customDefSec = customSection("wee", 42, 13);
+var declSec = declSection([0]);
+var bodySec = bodySection([v2vBody]);
+var nameSec = nameSection([funcNameSubsection([{name:'hi'}])]);
+wasmEval(moduleWithSections([customDefSec, v2vSigSection, declSec, bodySec]));
+wasmEval(moduleWithSections([v2vSigSection, customDefSec, declSec, bodySec]));
+wasmEval(moduleWithSections([v2vSigSection, declSec, customDefSec, bodySec]));
+wasmEval(moduleWithSections([v2vSigSection, declSec, bodySec, customDefSec]));
+wasmEval(moduleWithSections([customDefSec, customDefSec, v2vSigSection, declSec, bodySec]));
+wasmEval(moduleWithSections([customDefSec, customDefSec, v2vSigSection, customDefSec, declSec, customDefSec, bodySec]));
+
+// custom sections reflection:
+function checkCustomSection(buf, val) {
+    assertEq(buf instanceof ArrayBuffer, true);
+    assertEq(buf.byteLength, 1);
+    assertEq(new Uint8Array(buf)[0], val);
+}
+var custom1 = customSection("one", 1);
+var custom2 = customSection("one", 2);
+var custom3 = customSection("two", 3);
+var custom4 = customSection("three", 4);
+var custom5 = customSection("three", 5);
+var custom6 = customSection("three", 6);
+var m = new Module(moduleWithSections([custom1, v2vSigSection, custom2, declSec, custom3, bodySec, custom4, nameSec, custom5, custom6]));
+var arr = Module.customSections(m, "one");
+assertEq(arr.length, 2);
+checkCustomSection(arr[0], 1);
+checkCustomSection(arr[1], 2);
+var arr = Module.customSections(m, "two");
+assertEq(arr.length, 1);
+checkCustomSection(arr[0], 3);
+var arr = Module.customSections(m, "three");
+assertEq(arr.length, 3);
+checkCustomSection(arr[0], 4);
+checkCustomSection(arr[1], 5);
+checkCustomSection(arr[2], 6);
+var arr = Module.customSections(m, "name");
+assertEq(arr.length, 1);
+assertEq(arr[0].byteLength, nameSec.body.length - 5 /* 4name */);
+
+// Test name/custom section warnings:
+const nameWarning = /validated with warning.*'name' custom section/;
+const okNameSec = nameSection([]);
+assertNoWarning(() => wasmEval(moduleWithSections([v2vSigSection, declSec, bodySec, okNameSec])));
+const badNameSec1 = nameSection([]);
+badNameSec1.body.push(1);
+assertWarning(() => wasmEval(moduleWithSections([v2vSigSection, declSec, bodySec, badNameSec1])), nameWarning);
+const badNameSec2 = nameSection([funcNameSubsection([{name:'blah'}])]);
+badNameSec2.body.push(100, 20, 42, 83);
+assertWarning(() => wasmEval(moduleWithSections([v2vSigSection, declSec, bodySec, badNameSec2])), nameWarning);
+const badNameSec3 = nameSection([funcNameSubsection([{name:'blah'}])]);
+badNameSec3.body.pop();
+assertWarning(() => wasmEval(moduleWithSections([v2vSigSection, declSec, bodySec, badNameSec3])), nameWarning);
+assertNoWarning(() => wasmEval(moduleWithSections([nameSection([moduleNameSubsection('hi')])])));
+assertWarning(() => wasmEval(moduleWithSections([nameSection([moduleNameSubsection('hi'), moduleNameSubsection('boo')])])), nameWarning);
+// Unknown name subsection
+assertNoWarning(() => wasmEval(moduleWithSections([nameSection([moduleNameSubsection('hi'), [4, 0]])])));
+assertWarning(() => wasmEval(moduleWithSections([nameSection([moduleNameSubsection('hi'), [4, 1]])])), nameWarning);
+assertNoWarning(() => wasmEval(moduleWithSections([nameSection([moduleNameSubsection('hi'), [4, 1, 42]])])));
+
+// Provide a module name but no function names.
+assertErrorMessage(() => wasmEval(moduleWithSections([
+    v2vSigSection,
+    declSection([0]),
+    exportSection([{funcIndex: 0, name: "f"}]),
+    bodySection([funcBody({locals:[], body:[UnreachableCode]})]),
+    nameSection([moduleNameSubsection('hi')])])
+).f(), RuntimeError, /unreachable/);
+
+// Diagnose invalid block signature types.
+for (var bad of [0xff, 1, 0x3f])
+    assertErrorMessage(() => wasmEval(moduleWithSections([sigSection([v2vSig]), declSection([0]), bodySection([funcBody({locals:[], body:[BlockCode, bad, EndCode]})])])), CompileError, /(invalid .*block type)|(unknown type)/);
+
+const multiValueModule = moduleWithSections([sigSection([v2vSig]), declSection([0]), bodySection([funcBody({locals:[], body:[BlockCode, 0, EndCode]})])]);
+// In this test module, 0 denotes a void-to-void block type.
+assertEq(WebAssembly.validate(multiValueModule), true);
+
+// Ensure all invalid opcodes are rejected.  Note that the game here (and for
+// the prefixed cases below) is to present only opcodes which will be rejected by
+// *both* Baseline and Ion.
+for (let op of undefinedOpcodes) {
+    let binary = moduleWithSections([v2vSigSection, declSection([0]), bodySection([funcBody({locals:[], body:[op]})])]);
+    assertErrorMessage(() => wasmEval(binary), CompileError, /((unrecognized|Unknown) opcode)|(tail calls support is not enabled)|(Exceptions support is not enabled)|(Unexpected EOF)/);
+    assertEq(WebAssembly.validate(binary), false);
+}
+
+// Prefixed opcodes
+
+function checkIllegalPrefixed(prefix, opcode) {
+    let binary = moduleWithSections([v2vSigSection,
+                                     declSection([0]),
+                                     bodySection([funcBody({locals:[],
+                                                            body:[prefix, ...varU32(opcode)]})])]);
+    assertErrorMessage(() => wasmEval(binary), CompileError, /((unrecognized|Unknown) opcode)|(Unknown.*subopcode)|(Unexpected EOF)|(SIMD support is not enabled)|(invalid lane index)/);
+    assertEq(WebAssembly.validate(binary), false);
+}
+
+// Illegal GcPrefix opcodes
+
+let reservedGc = {};
+if (wasmGcEnabled()) {
+    reservedGc = {
+      // Structure operations
+      0x07: true, 0x08: true, 0x03: true, 0x04: true, 0x05: true, 0x06: true,
+      // Array operations
+      0x1b: true, 0x1a: true, 0x1c: true, 0x1d: true, 0x10: true, 0x13: true,
+      0x14: true, 0x15: true, 0x16: true, 0x17: true, 0x18: true,
+      // Ref operations
+      0x44: true, 0x45: true, 0x46: true, 0x47: true,
+    };
+}
+for (let i = 0; i < 256; i++) {
+    if (reservedGc.hasOwnProperty(i)) {
+        continue;
+    }
+    checkIllegalPrefixed(GcPrefix, i);
+}
+
+// Illegal ThreadPrefix opcodes
+//
+// June 2017 threads draft:
+//
+//  0x00 .. 0x03 are wait/wake/fence ops
+//  0x10 .. 0x4f are primitive atomic ops
+
+for (let i = 0x4; i < 0x10; i++)
+    checkIllegalPrefixed(ThreadPrefix, i);
+
+for (let i = 0x4f; i < 0x100; i++)
+    checkIllegalPrefixed(ThreadPrefix, i);
+
+// Illegal Misc opcodes
+
+var reservedMisc =
+    { // Saturating conversions (standardized)
+      0x00: true, 0x01: true, 0x02: true, 0x03: true, 0x04: true, 0x05: true, 0x06: true, 0x07: true,
+      // Bulk memory (proposed)
+      0x08: true, 0x09: true, 0x0a: true, 0x0b: true, 0x0c: true, 0x0d: true, 0x0e: true,
+      // Table (proposed)
+      0x0f: true, 0x10: true, 0x11: true, 0x12: true,
+      // Structure operations (experimental, internal)
+      0x50: true, 0x51: true, 0x52: true, 0x53: true };
+
+for (let i = 0; i < 256; i++) {
+    if (reservedMisc.hasOwnProperty(i))
+        continue;
+    checkIllegalPrefixed(MiscPrefix, i);
+}
+
+// Illegal SIMD opcodes - the upper bound is actually very large, not much to be
+// done about that.
+
+if (!wasmSimdEnabled()) {
+    for (let i = 0; i < 0x130; i++) {
+        checkIllegalPrefixed(SimdPrefix, i);
+    }
+} else {
+    let reservedSimd = [
+        0x9a, 0xa2, 0xa5, 0xa6, 0xaf, 0xb0, 0xb2, 0xb3, 0xb4, 0xbb,
+        0xc2, 0xc5, 0xc6, 0xcf, 0xd0, 0xd2, 0xd3, 0xd4, 0xe2, 0xee,
+        0x115, 0x116, 0x117,
+        0x118, 0x119, 0x11a, 0x11b, 0x11c, 0x11d, 0x11e, 0x11f,
+        0x120, 0x121, 0x122, 0x123, 0x124, 0x125, 0x126, 0x127,
+        0x128, 0x129, 0x12a, 0x12b, 0x12c, 0x12d, 0x12e, 0x12f,
+    ];
+    for (let i of reservedSimd) {
+        checkIllegalPrefixed(SimdPrefix, i);
+    }
+}
+
+// Illegal MozPrefix opcodes (all of them)
+for (let i = 0; i < 256; i++)
+    checkIllegalPrefixed(MozPrefix, i);
+
+for (let prefix of [ThreadPrefix, MiscPrefix, SimdPrefix, MozPrefix]) {
+    // Prefix without a subsequent opcode.  We must ask funcBody not to add an
+    // End code after the prefix, so the body really is just the prefix byte.
+    let binary = moduleWithSections([v2vSigSection, declSection([0]), bodySection([funcBody({locals:[], body:[prefix]}, /*withEndCode=*/false)])]);
+    assertErrorMessage(() => wasmEval(binary), CompileError, /(unable to read opcode)|(Unexpected EOF)|(Unknown opcode)/);
+    assertEq(WebAssembly.validate(binary), false);
+}
+
+// Checking stack trace.
+function runStackTraceTest(moduleName, funcNames, expectedName) {
+    var sections = [
+        sigSection([v2vSig]),
+        importSection([{sigIndex:0, module:"env", func:"callback"}]),
+        declSection([0]),
+        exportSection([{funcIndex:1, name: "run"}]),
+        bodySection([funcBody({locals: [], body: [CallCode, varU32(0)]})]),
+        customSection("whoa"),
+        customSection("wee", 42),
+    ];
+    if (moduleName || funcNames) {
+        var subsections = [];
+        if (moduleName)
+            subsections.push(moduleNameSubsection(moduleName));
+        if (funcNames)
+            subsections.push(funcNameSubsection(funcNames));
+        sections.push(nameSection(subsections));
+    }
+    sections.push(customSection("yay", 13));
+
+    var result = "";
+    var callback = () => {
+        result = extractStackFrameFunction(new Error().stack.split('\n')[1]);
+    };
+    wasmEval(moduleWithSections(sections), {"env": { callback }}).run();
+    assertEq(result, expectedName);
+};
+
+runStackTraceTest(null, null, 'wasm-function[1]');
+runStackTraceTest(null, [{name:'blah'}, {name:'test'}], 'test');
+runStackTraceTest(null, [{name:'test', index:1}], 'test');
+runStackTraceTest(null, [{name:'blah'}, {name:'test', locals: [{name: 'var1'}, {name: 'var2'}]}], 'test');
+runStackTraceTest(null, [{name:'blah'}, {name:'test', locals: [{name: 'var1'}, {name: 'var2'}]}], 'test');
+runStackTraceTest(null, [{name:'blah'}, {name:'test1'}], 'test1');
+runStackTraceTest(null, [{name:'blah'}, {name:'test☃'}], 'test☃');
+runStackTraceTest(null, [{name:'blah'}, {name:'te\xE0\xFF'}], 'te\xE0\xFF');
+runStackTraceTest(null, [{name:'blah'}], 'wasm-function[1]');
+runStackTraceTest(null, [], 'wasm-function[1]');
+runStackTraceTest("", [{name:'blah'}, {name:'test'}], 'test');
+runStackTraceTest("a", [{name:'blah'}, {name:'test'}], 'a.test');
+// Notice that invalid names section content shall not fail the parsing
+runStackTraceTest(null, [{name:'blah'}, {name:'test', index: 2}], 'wasm-function[1]'); // invalid index
+runStackTraceTest(null, [{name:'blah'}, {name:'test', index: 100000}], 'wasm-function[1]'); // invalid index
+runStackTraceTest(null, [{name:'blah'}, {name:'test', nameLen: 100}], 'wasm-function[1]'); // invalid name size
+runStackTraceTest(null, [{name:'blah'}, {name:''}], 'wasm-function[1]'); // empty name
+
+// Enable and disable Gecko profiling mode, to ensure all live instances
+// names won't make us crash.
+enableGeckoProfiling();
+disableGeckoProfiling();
+
+function testValidNameSectionWithProfiling() {
+    enableGeckoProfiling();
+    wasmEval(moduleWithSections([v2vSigSection, declSec, bodySec, nameSec]));
+    disableGeckoProfiling();
+}
+testValidNameSectionWithProfiling();
+
+// Memory alignment can use non-minimal LEB128
+wasmEval(moduleWithSections([
+    v2vSigSection,
+    declSection([0]),
+    memorySection(0),
+    bodySection([
+        funcBody({locals: [], body: [
+            I32ConstCode, 0x00, // i32.const 0
+            I32Load,
+                0x81, 0x00, // alignment 1, non-minimal
+                0x00, // offset 0
+            DropCode,
+        ]}),
+    ]),
+]));