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-rw-r--r--lld/ELF/Relocations.cpp2
-rw-r--r--lld/test/ELF/linkerscript/thunk-gen-mips.s40
2 files changed, 42 insertions, 0 deletions
diff --git a/lld/ELF/Relocations.cpp b/lld/ELF/Relocations.cpp
index 93f5ee8eaa2..e5f8266266d 100644
--- a/lld/ELF/Relocations.cpp
+++ b/lld/ELF/Relocations.cpp
@@ -1224,6 +1224,8 @@ ThunkSection *ThunkCreator::getISThunkSec(InputSection *IS) {
OutputSection *TOS = IS->getParent();
for (BaseCommand *BC : TOS->SectionCommands)
if (auto *ISD = dyn_cast<InputSectionDescription>(BC)) {
+ if (ISD->Sections.empty())
+ continue;
InputSection *first = ISD->Sections.front();
InputSection *last = ISD->Sections.back();
if (IS->OutSecOff >= first->OutSecOff &&
diff --git a/lld/test/ELF/linkerscript/thunk-gen-mips.s b/lld/test/ELF/linkerscript/thunk-gen-mips.s
new file mode 100644
index 00000000000..97d06d0ee65
--- /dev/null
+++ b/lld/test/ELF/linkerscript/thunk-gen-mips.s
@@ -0,0 +1,40 @@
+# REQUIRES: mips
+# RUN: llvm-mc -filetype=obj -defsym=MAIN=1 -triple=mips-unknown-freebsd %s -o %t
+# RUN: llvm-mc -filetype=obj -defsym=TARGET=1 -triple=mips-unknown-freebsd %s -o %t1
+
+# SECTIONS command with the first pattern that does not match.
+# Linking a PIC and non-PIC object files triggers the LA25 thunk generation.
+# RUN: echo "SECTIONS { \
+# RUN: .text : { \
+# RUN: *(.nomatch) \
+# RUN: %t(.text) \
+# RUN: . = . + 0x100000 ; \
+# RUN: %t1(.text) \
+# RUN: } \
+# RUN: }" > %t.script
+# RUN: ld.lld -o %t.exe --script %t.script %t %t1
+# RUN: llvm-objdump -t %t.exe | FileCheck %s
+# CHECK: SYMBOL TABLE:
+# CHECK-ANY: 00000000 .text 00000000 _start
+# CHECK-ANY: 0010000c l F .text 00000010 __LA25Thunk_too_far
+# CHECK-ANY: 00100020 g F .text 00000024 too_far
+
+.ifdef MAIN
+.global _start
+_start:
+ j too_far
+ nop
+.endif
+
+.ifdef TARGET
+ .text
+ .abicalls
+ .set noreorder
+ .globl too_far
+ .ent too_far
+too_far:
+ nop
+ jr $ra
+ nop
+ .end too_far
+.endif
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