[lld] r329307 - Initialize OutputOff to zero.

[Rafael Espindola via llvm-commits]

Author: rafael
Date: Thu Apr  5 08:56:04 2018
New Revision: 329307

URL: http://llvm.org/viewvc/llvm-project?rev=329307&view=rev
Log:
Initialize OutputOff to zero.

We have a dedicated Live bit, so we don't need a special value and we
were not accounting for in at least one place.

Modified:
    lld/trunk/ELF/InputSection.h
    lld/trunk/test/ELF/merge-gc-piece.s

Modified: lld/trunk/ELF/InputSection.h
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/InputSection.h?rev=329307&r1=329306&r2=329307&view=diff
==============================================================================
--- lld/trunk/ELF/InputSection.h (original)
+++ lld/trunk/ELF/InputSection.h Thu Apr  5 08:56:04 2018
@@ -200,7 +200,7 @@ private:
 // be found by looking at the next one).
 struct SectionPiece {
   SectionPiece(size_t Off, uint32_t Hash, bool Live)
-      : InputOff(Off), Hash(Hash), OutputOff(-1),
+      : InputOff(Off), Hash(Hash), OutputOff(0),
         Live(Live || !Config->GcSections) {}
 
   uint32_t InputOff;

Modified: lld/trunk/test/ELF/merge-gc-piece.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/merge-gc-piece.s?rev=329307&r1=329306&r2=329307&view=diff
==============================================================================
--- lld/trunk/test/ELF/merge-gc-piece.s (original)
+++ lld/trunk/test/ELF/merge-gc-piece.s Thu Apr  5 08:56:04 2018
@@ -3,6 +3,15 @@
 # RUN: ld.lld %t.o -o %t.so -shared --gc-sections
 # RUN: llvm-readobj -s -section-data %t.so | FileCheck %s
 
+
+# CHECK:      Name: .foo
+# CHECK-NEXT: Type: SHT_PROGBITS
+# CHECK-NEXT: Flags [
+# CHECK-NEXT:   SHF_ALLOC
+# CHECK-NEXT:   SHF_MERGE
+# CHECK-NEXT: ]
+# CHECK-NEXT: Address: 0x190
+
 # CHECK:      Name: .bar
 # CHECK-NEXT: Type: SHT_PROGBITS
 # CHECK-NEXT: Flags [
@@ -15,7 +24,7 @@
 # CHECK-NEXT: AddressAlignment:
 # CHECK-NEXT: EntrySize:
 # CHECK-NEXT: SectionData (
-# CHECK-NEXT:   0000: 90010000 00000000 91010000 00000000
+# CHECK-NEXT:   0000: 91010000 00000000 92010000 00000000
 # CHECK-NEXT: )
 
         .section .foo,"aM", at progbits,8