Bug 1496297 - Use |jit-test| skip-if as appropriate in jit-test/tests/regexp/ (r=jorendorff)

--HG--
extra : rebase_source : cb9f3b98675bebe13bfe63ffcfb46242b2b6db6a

js/src/jit-test/tests/regexp/bug1445907.js

@@ -1,12 +1,11 @@
+// |jit-test| skip-if: !wasmIsSupported()
+
 // On ARM64, we failed to save x28 properly when generating code for the regexp
 // matcher.
 //
 // There's wasm and Debugger code here because the combination forces the use of
 // x28 and exposes the bug when running on the simulator.
 
-if (!wasmIsSupported())
-    quit();
-
 var g = newGlobal('');
 var dbg = new Debugger(g);
 g.eval(`var m = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary('(module (func (export "test")))')))`);

js/src/jit-test/tests/regexp/clone-statics.js

@@ -1,5 +1,4 @@
-if (helperThreadCount() === 0)
-  quit(0);
+// |jit-test| skip-if: helperThreadCount() === 0
 
 offThreadCompileScript(`
   function foo(x, {}) {