1 files changed, 62 insertions, 0 deletions
diff --git a/test/link/elf.zig b/test/link/elf.zig
index a16d012b91..93a3642868 100644
--- a/test/link/elf.zig
+++ b/test/link/elf.zig
@@ -21,6 +21,9 @@ pub fn build(b: *Build) void {
         .abi = .gnu,
     };
 
+    // Exercise linker in ar mode
+    elf_step.dependOn(testEmitStaticLib(b, .{ .target = musl_target }));
+
     // Exercise linker with self-hosted backend (no LLVM)
     elf_step.dependOn(testGcSectionsZig(b, .{ .use_llvm = false, .target = default_target }));
     elf_step.dependOn(testLinkingObj(b, .{ .use_llvm = false, .target = default_target }));
@@ -626,6 +629,65 @@ fn testDsoUndef(b: *Build, opts: Options) *Step {
     return test_step;
 }
 
+fn testEmitStaticLib(b: *Build, opts: Options) *Step {
+    const test_step = addTestStep(b, "emit-static-lib", opts);
+
+    const obj1 = addObject(b, "obj1", opts);
+    addCSourceBytes(obj1,
+        \\int foo = 0;
+        \\int bar = 2;
+        \\int fooBar() {
+        \\  return foo + bar;
+        \\}
+    , &.{});
+
+    const obj2 = addObject(b, "obj2", opts);
+    addCSourceBytes(obj2, "int tentative;", &.{"-fcommon"});
+
+    const obj3 = addObject(b, "a_very_long_file_name_so_that_it_ends_up_in_strtab", opts);
+    addZigSourceBytes(obj3,
+        \\fn weakFoo() callconv(.C) usize {
+        \\    return 42;
+        \\}
+        \\export var strongBar: usize = 100;
+        \\comptime {
+        \\    @export(weakFoo, .{ .name = "weakFoo", .linkage = .Weak });
+        \\    @export(strongBar, .{ .name = "strongBarAlias", .linkage = .Strong });
+        \\}
+    );
+
+    const lib = addStaticLibrary(b, "lib", opts);
+    lib.addObject(obj1);
+    lib.addObject(obj2);
+    lib.addObject(obj3);
+
+    const check = lib.checkObject();
+    check.checkInArchiveSymtab();
+    check.checkExactPath("in object", obj1.getEmittedBin());
+    check.checkExact("foo");
+    check.checkInArchiveSymtab();
+    check.checkExactPath("in object", obj1.getEmittedBin());
+    check.checkExact("bar");
+    check.checkInArchiveSymtab();
+    check.checkExactPath("in object", obj1.getEmittedBin());
+    check.checkExact("fooBar");
+    check.checkInArchiveSymtab();
+    check.checkExactPath("in object", obj2.getEmittedBin());
+    check.checkExact("tentative");
+    check.checkInArchiveSymtab();
+    check.checkExactPath("in object", obj3.getEmittedBin());
+    check.checkExact("weakFoo");
+    check.checkInArchiveSymtab();
+    check.checkExactPath("in object", obj3.getEmittedBin());
+    check.checkExact("strongBar");
+    check.checkInArchiveSymtab();
+    check.checkExactPath("in object", obj3.getEmittedBin());
+    check.checkExact("strongBarAlias");
+    test_step.dependOn(&check.step);
+
+    return test_step;
+}
+
 fn testEmptyObject(b: *Build, opts: Options) *Step {
     const test_step = addTestStep(b, "empty-object", opts);