From 3ebb72cc7429f0ab8218104dc3687c659c0f364d Mon Sep 17 00:00:00 2001
From: Arcady Goldmints-Orlov <arcady@lunarg.com>
Date: Thu, 22 Jun 2023 16:11:29 -0400
Subject: [PATCH] Add an assert that ID operands are non-zero

Zero is not a valid ID value and the SPIR-V emitter library should never
be emitting instructions with ID values of 0.
---
 SPIRV/spvIR.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/SPIRV/spvIR.h b/SPIRV/spvIR.h
index 660742a7..5cbffec2 100644
--- a/SPIRV/spvIR.h
+++ b/SPIRV/spvIR.h
@@ -97,6 +97,8 @@ public:
     explicit Instruction(Op opCode) : resultId(NoResult), typeId(NoType), opCode(opCode), block(nullptr) { }
     virtual ~Instruction() {}
     void addIdOperand(Id id) {
+        // ids can't be 0
+        assert(id);
         operands.push_back(id);
         idOperand.push_back(true);
     }