[lld] [lld] [MTE] Drop MTE globals for fully static executables, not ban (PR #68217)

[Fangrui Song via llvm-commits]

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@@ -73,10 +73,33 @@ Symbols:
 # RUN:   %t1.o %t2.o -o %t1.so 2>&1 | FileCheck %s --check-prefix=CHECK-DYNRELOC
 # CHECK-DYNRELOC: --apply-dynamic-relocs cannot be used with MTE globals
 
-## And ensure that fully-static executables are banned.
-# RUN: not ld.lld --static --android-memtag-mode=sync \
-# RUN:   %t1.o %t2.o -o %t1.so 2>&1 | FileCheck %s --check-prefix=CHECK-NOSTATIC
-# CHECK-NOSTATIC: --android-memtag-mode is incompatible with fully-static executables (-static)
+## Ensure that fully statically linked executables just simply drop the MTE
+## globals stuff: special relocations, data in the place to be relocated,
+## dynamic entries, etc.
+# RUN: llvm-mc --filetype=obj -triple=aarch64-none-linux-android \
+# RUN:   %t/input_3.s -o %t3.o
+# RUN: ld.lld -static -Bstatic --android-memtag-mode=sync %t1.o %t2.o %t3.o -o %t.static.so
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MaskRay wrote:

-static and -Bstatic are synonymous in lld, so you can keep just one.

https://github.com/llvm/llvm-project/pull/68217