Copy config when creating a TIntermediate for a compilation unit

Without this --auto-map-locations effectively gets disabled when there
are more than one compilations units for a stage.

This is kind of a hacky fix and I think there should be a better way
to do it.

See: KhronosGroup#1309

glslang/MachineIndependent/ShaderLang.cpp

@@ -1860,6 +1860,14 @@ bool TProgram::linkStage(EShLanguage stage, EShMessages messages)
         }
         intermediate[stage]->setSpv(firstIntermediate->getSpv());
 
+        if (firstIntermediate->getAutoMapBindings())
+                intermediate[stage]->setAutoMapBindings(true);
+        if (firstIntermediate->getAutoMapLocations())
+                intermediate[stage]->setAutoMapLocations(true);
+        int base = firstIntermediate->getUniformLocationBase();
+        intermediate[stage]->setUniformLocationBase(base);
+        intermediate[stage]->copyUniformLocationOverrides(*firstIntermediate);
+
         newedIntermediate[stage] = true;
     }
 

glslang/MachineIndependent/localintermediate.h

@@ -647,6 +647,11 @@ class TIntermediate {
                     return pos->second;
     }
 
+    void copyUniformLocationOverrides(const TIntermediate& other)
+    {
+            uniformLocationOverrides = other.uniformLocationOverrides;
+    }
+
     void setUniformLocationBase(int base) { uniformLocationBase = base; }
     int getUniformLocationBase() const { return uniformLocationBase; }