From 3d97d78dd807b1a68857e537af83c6fa6747bcc3 Mon Sep 17 00:00:00 2001 From: Alon Zakai Date: Wed, 27 Mar 2024 11:14:13 -0700 Subject: Fuzzer: Work around the lack of wtf8/iter support (#6445) We only have interpreter support for wtf16, so we should not emit operations on the other types, as the interpreter will error. --- src/tools/fuzzing/fuzzing.cpp | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'src/tools/fuzzing') diff --git a/src/tools/fuzzing/fuzzing.cpp b/src/tools/fuzzing/fuzzing.cpp index 168983b85..e20333500 100644 --- a/src/tools/fuzzing/fuzzing.cpp +++ b/src/tools/fuzzing/fuzzing.cpp @@ -2639,15 +2639,16 @@ Expression* TranslateToFuzzReader::makeBasicRef(Type type) { String::convertWTF8ToWTF16(wtf16, wtf8.str()); return builder.makeStringConst(wtf16.str()); } - case HeapType::stringview_wtf8: - return builder.makeStringAs( - StringAsWTF8, makeBasicRef(Type(HeapType::string, NonNullable))); case HeapType::stringview_wtf16: + // We fully support wtf16 strings. return builder.makeStringAs( StringAsWTF16, makeBasicRef(Type(HeapType::string, NonNullable))); + case HeapType::stringview_wtf8: case HeapType::stringview_iter: - return builder.makeStringAs( - StringAsIter, makeBasicRef(Type(HeapType::string, NonNullable))); + // We do not have interpreter support for wtf8 and iter, so emit something + // that does not return, with a block that casts to the type the parent + // expects. + return builder.makeBlock({_makeunreachable()}, type); case HeapType::none: case HeapType::noext: case HeapType::nofunc: -- cgit v1.2.3