Increase memory again

Author: pedrovgs

scripts/build-and-test-wasm.sh

@@ -183,9 +183,12 @@ run_tests() {
     # during XCTest's PrintObserver date formatting which uses ICU/Foundation
     # and can consume significant memory. The default stack (1MB) and memory
     # limits are insufficient for SwiftWasm's Foundation date formatting.
+    # ICU's SimpleDateFormat allocates memory dynamically when formatting dates,
+    # and insufficient memory causes dlmalloc failures with stack traces showing
+    # icu::SimpleDateFormat::format -> icu::UMemory::operator new -> malloc -> dlmalloc
     WASMTIME_FLAGS="--dir ."
-    WASMTIME_FLAGS="$WASMTIME_FLAGS -W max-wasm-stack=16777216"
-    WASMTIME_FLAGS="$WASMTIME_FLAGS -W max-memory-size=536870912"
+    WASMTIME_FLAGS="$WASMTIME_FLAGS -W max-wasm-stack=33554432"
+    WASMTIME_FLAGS="$WASMTIME_FLAGS -W max-memory-size=1073741824"
     if echo "$SWIFT_SDK_NAME" | grep -q "threads"; then
         WASMTIME_FLAGS="$WASMTIME_FLAGS --wasm threads=y --wasi threads=y"
     fi