Merge branch 'static_checker_bug' of https://github.com/michael-kotliar/common-workflow-language into michael-kotliar-static_checker_bug

Author: Peter Amstutz

v1.0/conformance_test_v1.0.yaml

@@ -995,4 +995,12 @@
     args: [-A,'2',-B,baz,-C,'10','9','8','7','6','5','4','3','2','1']
   job: v1.0/empty.json
   tool: v1.0/inline-js.cwl
-  doc: Test InlineJavascriptRequirement with multiple expressions in the same tool
+  doc: Test InlineJavascriptRequirement with multiple expressions in the same tool
+
+- job: v1.0/count-lines6-job.json
+  output:
+    count_output: 34
+  tool: v1.0/count-lines11-wf.cwl
+  doc: |
+    Test single step workflow with Scatter step and two data links connected to
+    same input, flattened merge behavior. Workflow inputs are set as list

v1.0/v1.0/count-lines11-wf.cwl

@@ -0,0 +1,28 @@
+#!/usr/bin/env cwl-runner
+class: Workflow
+cwlVersion: v1.0
+
+requirements:
+  - class: MultipleInputFeatureRequirement
+
+inputs:
+    file1:
+      - type: array
+        items: File
+    file2:
+      - type: array
+        items: File
+
+outputs:
+    count_output:
+      type: int
+      outputSource: step1/output
+
+steps:
+  step1:
+    run: wc3-tool.cwl
+    in:
+      file1:
+        source: [file1, file2]
+        linkMerge: merge_flattened
+    out: [output]