tree bd426b707566e08861111ac28da71f29f68b2be3
parent 5c19de25107d496a15c7869b3e1dab0a0f85913d
author Ehsan Nasiri <ehsann@google.com> 1478808746 -0500
committer David Neto <dneto@google.com> 1479332516 -0500

Adding validation code for OpTypeStruct.

According to the Data Rules section of 2.16.1. Universal Validation
Rules of the SPIR-V Spec:

Forward reference operands in an OpTypeStruct
* must be later declared with OpTypePointer
* the type pointed to must be an OpTypeStruct
* had an earlier OpTypeForwardPointer forward reference to the same <id>