Map HLSL `lerp` to GLSL `mix`

- Also fix a bug in `emit.cpp` where I wasn't detecting `__intrinsic` remaps that don't include `$` (this is a byproduct of changing the string index type to be unsigned; other bugs like this may be lurking)

1 files changed, 1 insertions, 1 deletions

diff --git a/source/slang/emit.cpp b/source/slang/emit.cpp
index 5d85b4d57..df74d19e4 100644
--- a/source/slang/emit.cpp
+++ b/source/slang/emit.cpp
@@ -1466,7 +1466,7 @@ struct EmitVisitor
                 {
                     auto name = getStringOrIdentifierTokenValue(targetIntrinsicModifier->definitionToken);
 
-                    if(name.IndexOf('$') < 0)
+                    if(name.IndexOf('$') == -1)
                     {
                         // Simple case: it is just an ordinary name, so we call it like a builtin.
                         //