1 files changed, 153 insertions, 0 deletions
diff --git a/test/elf/sectionGroups/sectiongroup-new-members.test b/test/elf/sectionGroups/sectiongroup-new-members.test
new file mode 100644
index 0000000000000..d270c5fec94a2
--- /dev/null
+++ b/test/elf/sectionGroups/sectiongroup-new-members.test
@@ -0,0 +1,153 @@
+# Checks that the linker picks the first group in the output file when the file
+# have some members dont appear in the first group.
+# 1a.s
+# ------
+#
+#    .section .text,"axG",%progbits,foo_group,comdat
+#    .weak foo
+#foo:
+#    .word 0
+# 1b.s
+# -----
+#    .section .text,"axG",%progbits,foo_group,comdat
+#    .global foo
+#    .global bar
+#foo:
+#    .word 0
+#bar:
+#RUN: yaml2obj -format=elf -docnum 1 %s -o %t.group1a.o
+#RUN: yaml2obj -format=elf -docnum 2 %s -o %t.group1b.o
+#RUN: lld -flavor gnu -target x86_64 %t.group1a.o %t.group1b.o \
+#RUN: --noinhibit-exec --output-filetype=yaml -o %t2.out.yaml
+#RUN: lld -flavor gnu -target x86_64 %t.group1a.o %t.group1b.o \
+#RUN: --noinhibit-exec -o %t2.out
+#RUN: FileCheck %s -check-prefix=CHECKGROUP < %t2.out.yaml
+#RUN: llvm-readobj -sections %t2.out | FileCheck %s -check-prefix=CHECKGROUPSECTIONS
+#RUN: llvm-readobj -symbols  %t2.out | FileCheck %s -check-prefix=CHECKSYMBOLS
+#CHECKGROUP:  - name:            foo
+#CHECKGROUP:    scope:           global
+#CHECKGROUP:    merge:           as-weak
+#CHECKGROUP:    section-name:    .text
+#CHECKGROUP:  - name:            foo_group
+#CHECKGROUP:    scope:           global
+#CHECKGROUP:    type:            group-comdat
+#CHECKGROUP:    section-choice:  custom-required
+#CHECKGROUP:    section-name:    .group
+#CHECKGROUP:    permissions:     ---
+#CHECKGROUP:    references:
+#CHECKGROUP:      - kind:            group-child
+#CHECKGROUP:        offset:          0
+#CHECKGROUP:        target:          foo
+#CHECKGROUPSECTIONS:  Section {
+#CHECKGROUPSECTIONS:    Name: .text
+#CHECKGROUPSECTIONS:    Type: SHT_PROGBITS
+#CHECKGROUPSECTIONS:    Flags [ (0x6)
+#CHECKGROUPSECTIONS:      SHF_ALLOC (0x2)
+#CHECKGROUPSECTIONS:      SHF_EXECINSTR (0x4)
+#CHECKGROUPSECTIONS:    ]
+#CHECKGROUPSECTIONS:    Size: 2
+#CHECKGROUPSECTIONS:    AddressAlignment: 1
+#CHECKGROUPSECTIONS:  }
+#CHECKSYMBOLS:   Name: foo
+#CHECKSYMBOLS:   Type: Function
+#CHECKSYMBOLS:   Section: .text
+#CHECKSYMBOLS-NOT:   Name: bar
+---
+FileHeader:
+  Class:           ELFCLASS64
+  Data:            ELFDATA2LSB
+  OSABI:           ELFOSABI_GNU
+  Type:            ET_REL
+  Machine:         EM_X86_64
+Sections:
+  - Name:            .group
+    Type:            SHT_GROUP
+    Link:            .symtab
+    AddressAlign:    0x0000000000000004
+    Info:            foo_group
+    Members:
+      - SectionOrType:   GRP_COMDAT
+      - SectionOrType:   .text
+  - Name:            .data
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000004
+    Content:         ''
+  - Name:            .bss
+    Type:            SHT_NOBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000004
+    Content:         ''
+  - Name:            .text
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
+    AddressAlign:    0x0000000000000001
+    Content:         '0000'
+Symbols:
+  Local:
+    - Name:            foo_group
+      Section:         .group
+    - Name:            .text
+      Type:            STT_SECTION
+      Section:         .text
+    - Name:            .data
+      Type:            STT_SECTION
+      Section:         .data
+    - Name:            .bss
+      Type:            STT_SECTION
+      Section:         .bss
+  Weak:
+    - Name:            foo
+      Section:         .text
+...
+---
+FileHeader:
+  Class:           ELFCLASS64
+  Data:            ELFDATA2LSB
+  OSABI:           ELFOSABI_GNU
+  Type:            ET_REL
+  Machine:         EM_X86_64
+Sections:
+  - Name:            .group
+    Type:            SHT_GROUP
+    Link:            .symtab
+    AddressAlign:    0x0000000000000004
+    Info:            foo_group
+    Members:
+      - SectionOrType:   GRP_COMDAT
+      - SectionOrType:   .text
+  - Name:            .data
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000004
+    Content:         ''
+  - Name:            .bss
+    Type:            SHT_NOBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000004
+    Content:         ''
+  - Name:            .text
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
+    AddressAlign:    0x0000000000000001
+    Content:         '0000'
+Symbols:
+  Local:
+    - Name:            foo_group
+      Section:         .group
+    - Name:            .text
+      Type:            STT_SECTION
+      Section:         .text
+    - Name:            .data
+      Type:            STT_SECTION
+      Section:         .data
+    - Name:            .bss
+      Type:            STT_SECTION
+      Section:         .bss
+  Global:
+    - Name:            bar
+      Section:         .text
+      Value:           0x0000000000000002
+    - Name:            foo
+      Section:         .text
+...