reproduce swiftwasm/swift#2851

Author: kateinoigakukun

.gitignore

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+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/

Package.resolved

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+{
+  "object": {
+    "pins": [
+      {
+        "package": "JavaScriptKit",
+        "repositoryURL": "https://github.com/swiftwasm/JavaScriptKit.git",
+        "state": {
+          "branch": null,
+          "revision": "b19e7c8b10a2750ed47753e31ed13613171f3294",
+          "version": "0.10.1"
+        }
+      },
+      {
+        "package": "OpenCombine",
+        "repositoryURL": "https://github.com/OpenCombine/OpenCombine.git",
+        "state": {
+          "branch": null,
+          "revision": "28993ae57de5a4ea7e164787636cafad442d568c",
+          "version": "0.12.0"
+        }
+      },
+      {
+        "package": "OpenCombineJS",
+        "repositoryURL": "https://github.com/swiftwasm/OpenCombineJS.git",
+        "state": {
+          "branch": null,
+          "revision": "eaf324ce78710f53b52fb82e9a8de4693633e33a",
+          "version": "0.1.1"
+        }
+      },
+      {
+        "package": "swift-argument-parser",
+        "repositoryURL": "https://github.com/apple/swift-argument-parser",
+        "state": {
+          "branch": null,
+          "revision": "83b23d940471b313427da226196661856f6ba3e0",
+          "version": "0.4.4"
+        }
+      },
+      {
+        "package": "Benchmark",
+        "repositoryURL": "https://github.com/google/swift-benchmark",
+        "state": {
+          "branch": null,
+          "revision": "8e0ef8bb7482ab97dcd2cd1d6855bd38921c345d",
+          "version": "0.1.0"
+        }
+      },
+      {
+        "package": "Tokamak",
+        "repositoryURL": "https://github.com/TokamakUI/Tokamak/",
+        "state": {
+          "branch": null,
+          "revision": "57f57174c5b314cea80c0986a16b3e57942c0c00",
+          "version": "0.7.0"
+        }
+      }
+    ]
+  },
+  "version": 1
+}

Package.swift

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+// swift-tools-version:5.3
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "swiftwasm-issue-2851",
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "swiftwasm-issue-2851",
+            targets: ["swiftwasm-issue-2851"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/TokamakUI/Tokamak/", from: "0.7.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "swiftwasm-issue-2851",
+            dependencies: [
+                .product(name: "TokamakDOM", package: "Tokamak"),
+            ]),
+        .testTarget(
+            name: "swiftwasm-issue-2851Tests",
+            dependencies: ["swiftwasm-issue-2851"]),
+    ]
+)

README.md

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+# swiftwasm-issue-2851
+
+A description of this package.

Sources/swiftwasm-issue-2851/swiftwasm_issue_2851.swift

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+struct swiftwasm_issue_2851 {
+    var text = "Hello, World!"
+}

Tests/LinuxMain.swift

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+import XCTest
+
+import swiftwasm_issue_2851Tests
+
+var tests = [XCTestCaseEntry]()
+tests += swiftwasm_issue_2851Tests.allTests()
+XCTMain(tests)

Tests/swiftwasm-issue-2851Tests/XCTestManifests.swift

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+import XCTest
+
+#if !canImport(ObjectiveC)
+public func allTests() -> [XCTestCaseEntry] {
+    return [
+        testCase(swiftwasm_issue_2851Tests.allTests),
+    ]
+}
+#endif

Tests/swiftwasm-issue-2851Tests/swiftwasm_issue_2851Tests.swift

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+import XCTest
+@testable import swiftwasm_issue_2851
+
+final class swiftwasm_issue_2851Tests: XCTestCase {
+    func testExample() {
+        // This is an example of a functional test case.
+        // Use XCTAssert and related functions to verify your tests produce the correct
+        // results.
+        XCTAssertEqual(swiftwasm_issue_2851().text, "Hello, World!")
+    }
+
+    static var allTests = [
+        ("testExample", testExample),
+    ]
+}

bug.sh

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+TOOLCHAIN=/Library/Developer/Toolchains/swift-wasm-DEVELOPMENT-SNAPSHOT-2021-03-10-a.xctoolchain
+$TOOLCHAIN/usr/bin/swift-frontend -frontend -c -filelist ./filelist -supplementary-output-file-map supplementaryOutputs -target wasm32-unknown-wasi -disable-objc-interop -sdk $TOOLCHAIN/usr/share/wasi-sysroot -I .build/wasm32-unknown-wasi/release -color-diagnostics -g -module-cache-path .build/wasm32-unknown-wasi/release/ModuleCache -swift-version 5 -O -D SWIFT_PACKAGE -parse-as-library -module-name TokamakCore -num-threads 8 -output-filelist outputs -use-static-resource-dir