[clang] [clang-tools-extra] [llvm] [MTE] Apply alignment / size in AsmPrinter rather than IR (PR #111918)

[Alexander Richardson via llvm-commits]

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@@ -808,6 +808,10 @@ void Verifier::visitGlobalValue(const GlobalValue &GV) {
           "visibility must be dso_local!",
           &GV);
 
+  if (GV.isTagged()) {
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arichardson wrote:

Back in 2019 or so we had very similar issues in the CHERI downstream due to kernel linker sets. The FreeBSD Kernel extensively usess custom section with C identifiers (so you automatically get __start_<sec> and __stop_<sec> symbols and then iterates over those sections. Adding padding later in the pipeline means the existing loop increments could be wrong and you get incorrect initialization results or crashes.

https://github.com/llvm/llvm-project/pull/111918