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[BOLT] Increase BufSize in runtime/common.h (#204607)

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During my work towards bolring the flang binary, I've encountered a
frequently occuring problem with running out of the buffer space.

The problem affects C++ programs with a decent number of very long
symbol names, which is inevitable when using template metaprogramming.
As one can clearly see, flang is one of such programs.

The proposed BufSize value is an effect of the trial-and-error process
aiming at finiding the smallest reasonable increase.
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Paul Osmialowski 2026-06-24 18:00:27 +01:00 committed by GitHub
parent 9adac330f2
commit 55b45709a8
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bolt/runtime/common.h
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@ -162,7 +162,7 @@ struct timespec {
#error "For AArch64/ARM64,X86_64 AND RISCV64 only."
#endif
constexpr uint32_t BufSize = 10240;
constexpr uint32_t BufSize = 32768U;
// Helper functions for writing strings to the .fdata file. We intentionally
// avoid using libc names to make it clear it is our impl.