[WGSL] Break-if should not have a type

https://bugs.webkit.org/show_bug.cgi?id=268461
rdar://121527180

Reviewed by Mike Wyrzykowski.

We get an assertion failure due to the typeError call from validating the
test expression in break-if statements leaves an inferred bottom type, when
statements (including break-if) should not have an inferred type.

* Source/WebGPU/WGSL/TypeCheck.cpp:
(WGSL::TypeChecker::visit):

Canonical link: https://commits.webkit.org/273910@main

Source/WebGPU/WGSL/TypeCheck.cpp

@@ -1416,7 +1416,7 @@ void TypeChecker::visit(AST::Continuing& continuing)
     if (auto* breakIf = continuing.breakIf) {
         auto* type = infer(*breakIf);
         if (!unify(m_types.boolType(), type))
-            typeError(breakIf->span(), "expected 'bool', found ", *type);
+            typeError(InferBottom::No, breakIf->span(), "expected 'bool', found ", *type);
     }
 }