[llvm] [llvm-objcopy][COFF] Update WinCFGuard section contents after stripping (PR #153322)

[Evgenii Kudriashov via llvm-commits]

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@@ -0,0 +1,201 @@
+# RUN: yaml2obj %s -o %t.in.o
+
+# RUN: llvm-readobj -r -s  -x '.gehcont$y' %t.in.o | FileCheck %s --check-prefix=ORIG
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e-kud wrote:

`-x '.gehcont$y'` is to see that contents really changed after stripping.

https://github.com/llvm/llvm-project/pull/153322