[lld] [llvm] [llvm-objcopy] --[de]compress-debug-sections: don't compress SHF_ALLOC sections, only decompress .debug sections (PR #84885)

[James Henderson via llvm-commits]

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@@ -12,8 +12,10 @@
 # CHECK:             Name              Type            Address          Off    Size   ES Flg Lk Inf Al
 # COMPRESSED:        .debug_foo        PROGBITS        0000000000000000 000040 {{.*}} 00   C  0   0  8
 # COMPRESSED-NEXT:   .notdebug_foo     PROGBITS        0000000000000000 {{.*}} 000008 00      0   0  0
+# COMPRESSED:        .debug_alloc      PROGBITS        0000000000000000 {{.*}} 000040 00   A  0   0  0
 # DECOMPRESSED:      .debug_foo        PROGBITS        0000000000000000 000040 000008 00      0   0  0
 # DECOMPRESSED-NEXT: .notdebug_foo     PROGBITS        0000000000000000 {{.*}} 000008 00      0   0  0
+# UNCOMPRESSED:      .debug_alloc      PROGBITS        0000000000000000 {{.*}} 000040 00   A  0   0  0
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jh7370 wrote:

Wrong pattern?

https://github.com/llvm/llvm-project/pull/84885