Strings: Disable precomputing for now (#6412)

Our UTF implementation is still not fully stable it seems as we have reports of
issues. Disable it for now.

1 files changed, 30 insertions, 0 deletions

diff --git a/src/passes/Precompute.cpp b/src/passes/Precompute.cpp
index d2f3543ad..64b555028 100644
--- a/src/passes/Precompute.cpp
+++ b/src/passes/Precompute.cpp
@@ -195,6 +195,36 @@ public:
     }
     return Literal(canonical, curr->type.getHeapType());
   }
+
+  // Disable string operations pending investigation of the correctness of our
+  // UTF implementation. FIXME
+  Flow visitStringNew(StringNew* curr) { return Flow(NONCONSTANT_FLOW); }
+  Flow visitStringConst(StringConst* curr) { return Flow(NONCONSTANT_FLOW); }
+  Flow visitStringMeasure(StringMeasure* curr) {
+    return Flow(NONCONSTANT_FLOW);
+  }
+  Flow visitStringConcat(StringConcat* curr) { return Flow(NONCONSTANT_FLOW); }
+  Flow visitStringEncode(StringEncode* curr) { return Flow(NONCONSTANT_FLOW); }
+  Flow visitStringEq(StringEq* curr) { return Flow(NONCONSTANT_FLOW); }
+  Flow visitStringAs(StringAs* curr) { return Flow(NONCONSTANT_FLOW); }
+  Flow visitStringWTF8Advance(StringWTF8Advance* curr) {
+    return Flow(NONCONSTANT_FLOW);
+  }
+  Flow visitStringWTF16Get(StringWTF16Get* curr) {
+    return Flow(NONCONSTANT_FLOW);
+  }
+  Flow visitStringIterNext(StringIterNext* curr) {
+    return Flow(NONCONSTANT_FLOW);
+  }
+  Flow visitStringIterMove(StringIterMove* curr) {
+    return Flow(NONCONSTANT_FLOW);
+  }
+  Flow visitStringSliceWTF(StringSliceWTF* curr) {
+    return Flow(NONCONSTANT_FLOW);
+  }
+  Flow visitStringSliceIter(StringSliceIter* curr) {
+    return Flow(NONCONSTANT_FLOW);
+  }
 };
 
 struct Precompute