[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 94b7512f3b1587ae06e28c62b21d2fa268901500..e14634a0dc17de6165e125312acad8840820e38d 100644
--- a/src/messages.h
+++ b/src/messages.h
@@ -341,6 +341,7 @@ 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 %.")           \