diff options
| -rw-r--r-- | Source/cmUVProcessChain.cxx | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Source/cmUVProcessChain.cxx b/Source/cmUVProcessChain.cxx index c4e30d4..90ece0b 100644 --- a/Source/cmUVProcessChain.cxx +++ b/Source/cmUVProcessChain.cxx @@ -8,6 +8,8 @@ #include "cmUVStreambuf.h" #include "cm_uv.h" +#include <assert.h> + #include <iterator> #include <memory> #include <utility> @@ -250,7 +252,8 @@ bool cmUVProcessChain::InternalData::AddCommand( if (first) { stdio[0].flags = UV_IGNORE; } else { - auto& prev = **std::prev(this->Processes.end(), 2); + assert(this->Processes.size() >= 2); + auto& prev = *this->Processes[this->Processes.size() - 2]; stdio[0].flags = UV_INHERIT_STREAM; stdio[0].data.stream = prev.OutputPipe; } |