[compiler-rt] [llvm] [msan] Add 32-bit platforms support (PR #109284)

[Vitaly Buka via llvm-commits]

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@@ -6043,8 +6178,9 @@ struct VarArgGenericHelper : public VarArgHelperBase {
   void finalizeInstrumentation() override {
     assert(!VAArgSize && !VAArgTLSCopy &&
            "finalizeInstrumentation called twice");
+
     IRBuilder<> IRB(MSV.FnPrologueEnd);
-    VAArgSize = IRB.CreateLoad(IRB.getInt64Ty(), MS.VAArgOverflowSizeTLS);
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vitalybuka wrote:

can we change runtime to uptr?

https://github.com/llvm/llvm-project/pull/109284