[WebAssembly] assert(false) -> llvm_unreachable

Avoids warnings in -asserts builds.

ASTContext.cpp:4098:1: error: non-void function does not return a value in all control paths [-Werror,-Wreturn-type]
}
^

diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index a22c217..9b0d7b2 100644 (file)
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -4093,8 +4093,8 @@ QualType ASTContext::getWebAssemblyExternrefType() const {
     return SingletonId;
 #include "clang/Basic/WebAssemblyReferenceTypes.def"
   }
-  assert(false &&
-         "shouldn't try to generate type externref outside WebAssembly target");
+  llvm_unreachable(
+      "shouldn't try to generate type externref outside WebAssembly target");
 }
 
 /// getScalableVectorType - Return the unique reference to a scalable vector