[llvm-undname] Flush output before demangling.

If an error occurs and we write it to stderr, it could appear
before we wrote the mangled name which we're undecorating.
By flushing stdout first, we ensure that the messages are always
sequenced in the correct order.

llvm-svn: 337645
This commit is contained in:
Zachary Turner 2018-07-21 15:39:05 +00:00
parent 3d5a6dd6ed
commit c93b870c54
1 changed files with 4 additions and 1 deletions

View File

@ -62,14 +62,17 @@ int main(int argc, char **argv) {
// them to the terminal a second time. If they're coming from redirected
// input, however, then we should display the input line so that the
// mangled and demangled name can be easily correlated in the output.
if (!sys::Process::StandardInIsUserInput())
if (!sys::Process::StandardInIsUserInput()) {
outs() << Line << "\n";
outs().flush();
}
demangle(Line);
outs() << "\n";
}
} else {
for (StringRef S : Symbols) {
outs() << S << "\n";
outs().flush();
demangle(S);
outs() << "\n";
}