Hello,
SystemZ prefers to align all global variables to two bytes, which is implemented by setting the TargetInfo member MinGlobalAlign. However, for compatibility with existing compilers this should *not* change the ABI alignment value as retrieved via __alignof__, which it currently does. This patch fixes the issue by having ASTContext::getDeclAlign ignore the MinGlobalAlign setting in the ForAlignof case. Since SystemZ is the only platform setting MinGlobalAlign, this should cause no change for any other target. (See attached file: clang-align-global) Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU/Linux compilers and toolchain IBM Deutschland Research & Development GmbH Vorsitzende des Aufsichtsrats: Martina Koederitz | Geschäftsführung: Dirk Wittkopp Sitz der Gesellschaft: Böblingen | Registergericht: Amtsgericht Stuttgart, HRB 243294
clang-align-global
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