From 322f6d046b0761b941fcb94180a1a6e8bd628b64 Mon Sep 17 00:00:00 2001 From: Zachary Turner Date: Sat, 21 Jul 2018 15:39:05 +0000 Subject: [PATCH] [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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337645 91177308-0d34-0410-b5e6-96231b3b80d8 --- tools/llvm-undname/llvm-undname.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/llvm-undname/llvm-undname.cpp b/tools/llvm-undname/llvm-undname.cpp index f18702af2f5..2124ec16945 100644 --- a/tools/llvm-undname/llvm-undname.cpp +++ b/tools/llvm-undname/llvm-undname.cpp @@ -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"; } -- 2.50.1