harden / elaborate on makeCallInline

tests/compiler/inlining-blocklocals.ts

@@ -0,0 +1,19 @@
+var b: i32 = 2;
+
+var theCall_a: i32;
+var theCall_b: i32;
+
+@inline function theCall(a: i32, b: i32): void {
+  theCall_a = a;
+  theCall_b = b;
+}
+
+function test(): void {
+  var a = 1;
+  // no blocking: t1 = a; t2 = (t1 = b) + 1, t1; theCall ✖
+  //    blocking: t1 = a; t2 = (t3 = b) + 1, t3; theCall ✔
+  theCall(a, b++);
+  assert(theCall_a == 1);
+  assert(theCall_b == 2);
+}
+test();