[ELF] Don't add input sections twice when linker script is used
llvm-svn: 279036
diff --git a/lld/ELF/LinkerScript.cpp b/lld/ELF/LinkerScript.cpp
index 922c7da..35a1a61 100644
--- a/lld/ELF/LinkerScript.cpp
+++ b/lld/ELF/LinkerScript.cpp
@@ -284,7 +284,8 @@
if (IsNew)
OutputSections->push_back(OutSec);
for (InputSectionBase<ELFT> *Sec : V)
- OutSec->addSection(Sec);
+ if (!Sec->OutSec)
+ OutSec->addSection(Sec);
}
}
diff --git a/lld/test/ELF/linkerscript/linkerscript-input-sec-dup.s b/lld/test/ELF/linkerscript/linkerscript-input-sec-dup.s
new file mode 100644
index 0000000..f6f8c9c
--- /dev/null
+++ b/lld/test/ELF/linkerscript/linkerscript-input-sec-dup.s
@@ -0,0 +1,18 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
+
+# RUN: echo "SECTIONS {.foo : { *(.foo) *(.foo) } }" > %t.script
+# RUN: ld.lld -o %t1 --script %t.script %t
+# RUN: llvm-objdump -section-headers %t1 | FileCheck %s
+# CHECK: Sections:
+# CHECK-NEXT: Idx Name Size Address Type
+# CHECK-NEXT: 0 00000000 0000000000000000
+# CHECK-NEXT: 1 .foo 00000004 0000000000000120 DATA
+# CHECK-NEXT: 2 .text 00000001 0000000000000124 TEXT DATA
+
+.global _start
+_start:
+ nop
+
+.section .foo,"a"
+ .long 0