From 3acbe8145c60f4d1e7a180b4602a94269a489df5 Mon Sep 17 00:00:00 2001
From: Ellie Hermaszewska <ellieh@nvidia.com>
Date: Thu, 27 Apr 2023 12:36:59 +0800
Subject: Fix most of the disabled warnings on gcc/clang (#2839)

---
 source/core/slang-string.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'source/core/slang-string.h')

diff --git a/source/core/slang-string.h b/source/core/slang-string.h
index 4c78cc32e..429a60c46 100644
--- a/source/core/slang-string.h
+++ b/source/core/slang-string.h
@@ -583,6 +583,10 @@ namespace Slang
         char operator[](Index id) const
         {
             SLANG_ASSERT(id >= 0 && id < getLength());
+            // Silence a pedantic warning on GCC
+#if __GNUC__
+            if(id < 0) __builtin_unreachable();
+#endif
             return begin()[id];
         }
 
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