[clang] [CGBuiltin] Use freeze instruction to create an undef value instead of zero (PR #86967)

[Craig Topper via cfe-commits]

https://github.com/topperc reopened 
https://github.com/llvm/llvm-project/pull/86967
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits