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Don't redirect spawned ABCs' stderr to our pipe.

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popen() doesn't do this and we should emulate the behavior of popen() as much as possible.
This commit is contained in:
Robert O'Callahan 2025-09-22 04:50:36 +00:00
parent 259bd6fb33
commit 2de641d051
1 changed files with 0 additions and 4 deletions
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4
passes/techmap/abc.cc
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@ -244,10 +244,6 @@ std::optional<AbcProcess> spawn_abc(const char* abc_exe, DeferredLogs &logs) {
logs.log_error("posix_spawn_file_actions_adddup2 failed");
return std::nullopt;
}
if (posix_spawn_file_actions_adddup2(&file_actions, from_child_pipe[1], STDERR_FILENO) != 0) {
logs.log_error("posix_spawn_file_actions_adddup2 failed");
return std::nullopt;
}
if (posix_spawn_file_actions_addclose(&file_actions, to_child_pipe[0]) != 0) {
logs.log_error("posix_spawn_file_actions_addclose failed");
return std::nullopt;