Description

When Custom expression is connected to custom UV then material wont compile. This is working as expected in 4.22 CL# 7053642

Found in 4.23 CL#7321677 and 4.24 CL# 7321677

This is a regression.

Steps to Reproduce
  1. Open the attached project
  2. Open the material in the content browser

Results: 
The material will fail to compile with the error [SM5] /Engine/Generated/Material.ush(1873,18-46):  error X3004: undeclared identifier 'CustomExpression0'

Expected:
The material would compile 

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Fixed
ComponentRendering
Affects Versions4.234.24
Target Fix4.23
Fix Commit7780576
Main Commit7780578
Release Commit7780576
CreatedJul 22, 2019
ResolvedAug 5, 2019
UpdatedAug 23, 2019