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Merge bitcoin/bitcoin#32437: crypto: disable ASan for sha256_sse4 with Clang

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4e8ab5e00f crypto: disable ASan for sha256_sse4 with Clang (fanquake)

Pull request description:

  This also fails to compile when optimisations are being used, see: https://github.com/bitcoin/bitcoin/issues/31913.
  So just disable ASan under any optimisation level.

  Closes #31913.

ACKs for top commit:
  maflcko:
    lgtm ACK 4e8ab5e00f
  davidgumberg:
    Tested ACK 4e8ab5e00f
  laanwj:
    Code review ACK 4e8ab5e00f

Tree-SHA512: 680fb424f43b35730e03e0c7443c80445a2cf423d4f9161414ea22fea0b955f49197f8a96d1241896d981c6c13814d3eb7b5e4d8c9138813fb69e437ac4768ea
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merge-script 2025-05-08 09:08:36 +01:00
commit 03ebdd0793
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1 changed files with 6 additions and 2 deletions
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8
src/crypto/sha256_sse4.cpp
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@ -13,13 +13,17 @@
namespace sha256_sse4 namespace sha256_sse4
{ {
void Transform(uint32_t* s, const unsigned char* chunk, size_t blocks) void Transform(uint32_t* s, const unsigned char* chunk, size_t blocks)
#if defined(__clang__) && !defined(__OPTIMIZE__) #if defined(__clang__)
/* /*
clang is unable to compile this with -O0 and -fsanitize=address. clang is unable to compile this with -O0 and -fsanitize=address.
See upstream bug: https://github.com/llvm/llvm-project/issues/92182 See upstream bug: https://github.com/llvm/llvm-project/issues/92182.
This also fails to compile with -O2, -fcf-protection & -fsanitize=address.
See https://github.com/bitcoin/bitcoin/issues/31913.
*/ */
#if __has_feature(address_sanitizer)
__attribute__((no_sanitize("address"))) __attribute__((no_sanitize("address")))
#endif #endif
#endif
{ {
static const uint32_t K256 alignas(16) [] = { static const uint32_t K256 alignas(16) [] = {
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,