From 06c1f75f21d04ebd8ed291a74136f9c8f043664f Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Wed, 3 Apr 2019 16:01:53 -0300
Subject: gl_shader_decompiler: Return early when an operation is invalid

---
 src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 11d1169f0..7ceea2ff1 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -426,9 +426,14 @@ private:
     std::string Visit(Node node) {
         if (const auto operation = std::get_if<OperationNode>(node)) {
             const auto operation_index = static_cast<std::size_t>(operation->GetCode());
+            if (operation_index >= operation_decompilers.size()) {
+                UNREACHABLE_MSG("Out of bounds operation: {}", operation_index);
+                return {};
+            }
             const auto decompiler = operation_decompilers[operation_index];
             if (decompiler == nullptr) {
-                UNREACHABLE_MSG("Operation decompiler {} not defined", operation_index);
+                UNREACHABLE_MSG("Undefined operation: {}", operation_index);
+                return {};
             }
             return (this->*decompiler)(*operation);
 
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