[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, 1 insertions, 0 deletions

diff --git a/src/ir/effects.h b/src/ir/effects.h
index d97b01a36..f023b547a 100644
--- a/src/ir/effects.h
+++ b/src/ir/effects.h
@@ -733,6 +733,7 @@ private:
       // cycle may be needed in some cases.
     }
     void visitStringNew(StringNew* curr) {}
+    void visitStringConst(StringConst* curr) {}
   };
 
 public: