A bug in singlepass mode

[erxiaozhou]

Bug Report

1. Minimal reproduce step (Required)

(module
  (type (;0;) (func))
  (func (;0;) (type 0)
    memory.size
    f64.const -0x1.5c4a4b044f1efp+2 (;=-5.44203;)
    f64.store offset=4268353288)
  (memory (;0;) 65131)
  (export "to_test" (func 0)))

1. Transform the WAT to WASM
2. Use the singlepass mode to execute it

dtvm -m singlepass  -f to_test <test_case>

2. What did you expect to see? (Required)

There is no exception.

3. What did you see instead (Required)

An exception "[error] [dtvm.cpp:530] failed to call function 'to_test': out of bounds memory access"

4. What is the version of this project you are using? (Required)

78a5573