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https://github.com/c64scene-ar/llvm-6502.git
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In the ELFWriter when writing aliased (.set) symbols dont blindly
take type from the new symbol but merge them so that the type is never "downgraded". This is probably quite rare, except for IFUNC symbols which we used to misassemble, losing the IFUNC type. Fixes #18372. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198706 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Roman Divacky
@@ -41,6 +41,95 @@ tls_upper_case:
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.global tls_upper_case
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.type tls_upper_case,STT_TLS
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// Test that .set doesnt downgrade the type:
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// IFUNC > FUNC > OBJECT > NOTYPE
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// TLS_OBJECT > OBJECT > NOTYPE
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// also TLS_OBJECT is incompatible with IFUNC and FUNC
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.global sym1
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.type sym1, @gnu_indirect_function
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alias1:
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.global alias1
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.type alias1, @function
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.set sym1, alias1
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.global sym2
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.type sym2, @gnu_indirect_function
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alias2:
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.global alias2
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.type alias2, @object
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.set sym2, alias2
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.global sym3
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.type sym3, @gnu_indirect_function
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alias3:
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.global alias3
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.type alias3, @notype
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.set sym3, alias3
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.global sym4
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.type sym4, @function
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alias4:
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.global alias4
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.type alias4, @object
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.set sym4, alias4
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.global sym5
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.type sym5, @function
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alias5:
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.global alias5
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.type alias5, @notype
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.set sym5, alias5
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.global sym6
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.type sym6, @object
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alias6:
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.global alias6
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.type alias6, @notype
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.set sym6, alias6
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.global sym7
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.type sym7, @gnu_indirect_function
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alias7:
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.global alias7
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.type alias7, @tls_object
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.set sym7, alias7
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.global sym8
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.type sym8, @function
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.global alias8
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alias8:
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.type alias8, @tls_object
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.set sym8, alias8
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.global sym9
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.type sym9, @tls_object
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alias9:
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.global alias9
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.type alias9, @object
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.set sym9, alias9
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.global sym10
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.type sym10, @tls_object
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alias10:
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.global alias10
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.type alias10, @notype
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.set sym10, alias10
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.global sym11
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.type sym11, @tls_object
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alias11:
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.global alias11
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.type alias11, @gnu_indirect_function
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.set sym11, alias11
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.global sym12
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.type sym12, @tls_object
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alias12:
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.global alias12
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.type alias12, @function
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.set sym12, alias12
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// CHECK: Symbol {
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// CHECK: Name: bar
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// CHECK-NEXT: Value: 0x0
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@@ -86,6 +175,114 @@ tls_upper_case:
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym1 (54)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: GNU_IFunc (0xA)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym10 (162)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: TLS (0x6)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym11 (176)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: TLS (0x6)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym12 (190)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: TLS (0x6)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym2 (66)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: GNU_IFunc (0xA)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym3 (78)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: GNU_IFunc (0xA)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym4 (90)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: Function (0x2)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym5 (102)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: Function (0x2)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym6 (114)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: Object (0x1)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym7 (126)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: GNU_IFunc (0xA)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym8 (138)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: Function (0x2)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: sym9 (150)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global (0x1)
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// CHECK-NEXT: Type: TLS (0x6)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: tls
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// CHECK-NEXT: Value: 0x0
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