[wasm] memory size is an uint32_t, not a size_t.

src/compiler/wasm-compiler.cc

Index: src/compiler/wasm-compiler.cc
diff --git a/src/compiler/wasm-compiler.cc b/src/compiler/wasm-compiler.cc
index 91eff7885d51a693a3696f1abe21f5fd2470cb8d..378e0d80dba9b2ddac0ab5368f23d432c382c5c6 100644
--- a/src/compiler/wasm-compiler.cc
+++ b/src/compiler/wasm-compiler.cc
@@ -2578,7 +2578,7 @@ void WasmGraphBuilder::BoundsCheckMem(MachineType memtype, Node* index,
                                       uint32_t offset,
                                       wasm::WasmCodePosition position) {
   DCHECK(module_ && module_->instance);
-  size_t size = module_->instance->mem_size;
+  uint32_t size = module_->instance->mem_size;
   byte memsize = wasm::WasmOpcodes::MemSize(memtype);
 
   // Check against the effective size.