[simdjs] Implement error raising semantics as per spec for integers.

src/messages.h

Index: src/messages.h
diff --git a/src/messages.h b/src/messages.h
index a9f321e3cb4c302c4c7ab4a1f611da7449dfc6e9..478a5e3f5c5fff1e9c2ea850ee454eafa62d631c 100644
--- a/src/messages.h
+++ b/src/messages.h
@@ -339,6 +339,7 @@ class CallSite {
   T(InvalidTypedArrayAlignment, "% of % should be a multiple of %")            \
   T(InvalidTypedArrayLength, "Invalid typed array length")                     \
   T(InvalidTypedArrayOffset, "Start offset is too large:")                     \
+  T(InvalidSimdIndex, "Index out of bounds for SIMD operation")                \
   T(LetInLexicalBinding, "let is disallowed as a lexically bound name")        \
   T(LocaleMatcher, "Illegal value for localeMatcher:%")                        \
   T(NormalizationForm, "The normalization form should be one of %.")           \