================
@@ -1722,10 +1722,12 @@ void Preprocessor::ExpandBuiltinMacro(Token &Tok) {
// MSVC, ICC, GCC, VisualAge C++ extension. The generated string should be
// of the form "Ddd Mmm dd hh::mm::ss yyyy", which is returned by asctime.
const char *Result;
+ char TimeString[std::size("Ddd Mmm dd hh:mm:ss yyyy")];
if (getPreprocessorOpts().SourceDateEpoch) {
time_t TT = *getPreprocessorOpts().SourceDateEpoch;
std::tm *TM = std::gmtime(&TT);
----------------
AaronBallman wrote:
It's consistent with the behavior in `ComputeDATE_TIME`, perhaps because
`SourceDateEpoch` is the number of seconds since the epoch and it's easier to
reason about that from UTC as a base than localtime (e.g. for build
reproducibility)
https://github.com/llvm/llvm-project/pull/99075
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