fix #3692

jscomp/build_tests/cycle/.gitignore

@@ -0,0 +1,26 @@
+*.exe
+*.obj
+*.out
+*.compile
+*.native
+*.byte
+*.cmo
+*.annot
+*.cmi
+*.cmx
+*.cmt
+*.cmti
+*.cma
+*.a
+*.cmxa
+*.obj
+*~
+*.annot
+*.cmj
+*.bak
+lib/bs
+*.mlast
+*.mliast
+.vscode
+.merlin
+.bsb.lock

jscomp/build_tests/cycle/README.md

@@ -0,0 +1,16 @@
+
+
+# Build
+```
+npm run build
+```
+
+# Watch
+
+```
+npm run watch
+```
+
+
+# Editor
+If you use `vscode`, Press `Windows + Shift + B` it will build automatically

jscomp/build_tests/cycle/bsconfig.json

@@ -0,0 +1,19 @@
+{
+  "name": "cycle",
+  "version": "0.1.0",
+  "sources": {
+    "dir" : "src",
+    "subdirs" : true
+  },
+  "package-specs": {
+    "module": "commonjs",
+    "in-source": true
+  },
+  "suffix": ".bs.js",
+  "bs-dependencies": [
+  ],
+  "warnings": {
+    "error" : "+101"
+  },
+  "refmt": 3
+}

jscomp/build_tests/cycle/input.js

@@ -0,0 +1,8 @@
+//@ts-check
+var cp = require("child_process");
+var assert = require("assert");
+
+ var output = cp.spawnSync(`bsb`, { encoding: "utf8" ,shell:true});
+
+
+assert(/dependency cycle/.test(output.stdout))

jscomp/build_tests/cycle/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "cycle",
+  "version": "0.1.0",
+  "scripts": {
+    "clean": "bsb -clean-world",
+    "build": "bsb -make-world",
+    "watch": "bsb -make-world -w"
+  },
+  "keywords": [
+    "BuckleScript"
+  ],
+  "author": "",
+  "license": "MIT",
+  "devDependencies": {
+    "bs-platform": "^5.1.0-dev.1"
+  }
+}

jscomp/build_tests/cycle/src/a.ml

@@ -0,0 +1,3 @@
+
+
+let v = B.v

jscomp/build_tests/cycle/src/b.ml

@@ -0,0 +1 @@
+let v = A.v