template <class ELFT>
static void forEachSuccessor(InputSection<ELFT> &Sec,
std::function<void(ResolvedReloc<ELFT>)> Fn) {
+ // Skip over discarded sections. This in theory shouldn't happen, because
+ // the ELF spec doesn't allow a relocation to point to a deduplicated
+ // COMDAT section directly. Unfortunately this happens in practice (e.g.
+ // .eh_frame) so we need to add a check.
+ if (&Sec == &InputSection<ELFT>::Discarded)
+ return;
+
ELFFile<ELFT> &Obj = Sec.getFile()->getObj();
for (const typename ELFT::Shdr *RelSec : Sec.RelocSections) {
if (RelSec->sh_type == SHT_RELA) {
// RUN: llvm-readobj -s -t %t | FileCheck --check-prefix=READ %s
// REQUIRES: x86
+// Check that we don't crash with --gc-section and that we print a list of
+// reclaimed sections on stderr.
+// RUN: ld.lld --gc-sections --print-gc-sections -shared %t.o %t.o %t2.o -o %t \
+// RUN: 2>&1 | FileCheck --check-prefix=GC %s
+// GC: removing unused section from '.text' in file
+// GC: removing unused section from '.text3' in file
+// GC: removing unused section from '.text' in file
+// GC: removing unused section from '.text' in file
+
.section .text2,"axG",@progbits,foo,comdat,unique,0
foo:
nop