if (PoisonStack && MS.TrackOrigins) {
setOrigin(&I, getCleanOrigin());
- small_string_ostream<2048> StackDescription;
+ SmallString<2048> StackDescriptionStorage;
+ raw_svector_ostream StackDescription(StackDescriptionStorage);
// We create a string with a description of the stack allocation and
// pass it into __msan_set_alloca_origin.
// It will be printed by the run-time if stack-originated UMR is found.