Merge branch 'ci-jit-cmd'

ci/aarch64-macos-release.sh

@@ -55,9 +55,6 @@ stage3-release/bin/zig build test docs \
 stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=ReleaseSafe
 stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=Debug
 
-# Ensure that reduce compiles
-stage3-release/bin/zig reduce -h
-
 # Ensure that stage3 and stage4 are byte-for-byte identical.
 stage3-release/bin/zig build \
   --maxrss ${ZSF_MAX_RSS:-0} \

ci/x86_64-linux-release.sh

@@ -77,9 +77,6 @@ stage3-release/bin/zig build test docs \
 stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=ReleaseSafe
 stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=Debug
 
-# Ensure that reduce compiles
-stage3-release/bin/zig reduce -h
-
 # Ensure that stage3 and stage4 are byte-for-byte identical.
 stage3-release/bin/zig build \
   --prefix stage4-release \

ci/x86_64-windows-release.ps1

@@ -61,10 +61,6 @@ CheckLastExitCode
 # stage3-release\bin\zig.exe build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=Debug
 # CheckLastExitCode
 
-# Ensure that reduce compiles
-stage3-release\bin\zig.exe build reduce -h
-CheckLastExitCode
-
 # Ensure that stage3 and stage4 are byte-for-byte identical.
 Write-Output "Build and compare stage4..."
 stage3-release\bin\zig.exe build `

lib/compiler/std-docs.zig

@@ -18,7 +18,7 @@ fn usage(io: Io) noreturn {
         \\                            By default, enabled unless a port is specified.
         \\
     ) catch {};
-    std.process.exit(1);
+    std.process.exit(0);
 }
 
 pub fn main(init: std.process.Init) !void {

test/tests.zig

@@ -2237,6 +2237,24 @@ pub fn addCliTests(b: *std.Build) *Step {
     const step = b.step("test-cli", "Test the command line interface");
     const s = std.fs.path.sep_str;
 
+    {
+        // Test that all JIT'd commands compile.
+        for (&[_][]const u8{
+            "libc",
+            "objcopy",
+            "objdump",
+            "rc",
+            "reduce",
+            "std",
+        }) |cmd| {
+            const run_help = b.addSystemCommand(&.{ b.graph.zig_exe, cmd, "--help" });
+            run_help.setName(b.fmt("zig {s} --help", .{cmd}));
+            run_help.expectStdErrEqual("");
+            run_help.expectExitCode(0);
+            step.dependOn(&run_help.step);
+        }
+    }
+
     {
         // Test `zig init`.
         const tmp_path = b.tmpPath();