[Strings] Add string.const (#4768)

This is more work than a typical instruction because it also adds a new section:
all the (string.const "foo") strings are put in a new "strings" section in the binary, and
the instructions refer to them by index.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/wasm2js.h b/src/wasm2js.h
index c2b71aa7a..ad373074d 100644
--- a/src/wasm2js.h
+++ b/src/wasm2js.h
@@ -2307,6 +2307,10 @@ Ref Wasm2JSBuilder::processFunctionBody(Module* m,
       unimplemented(curr);
       WASM_UNREACHABLE("unimp");
     }
+    Ref visitStringConst(StringConst* curr) {
+      unimplemented(curr);
+      WASM_UNREACHABLE("unimp");
+    }
     Ref visitRefAs(RefAs* curr) {
       unimplemented(curr);
       WASM_UNREACHABLE("unimp");