}
} else if (Target.getSymB()) { // A - B + constant
const MCSymbol *A = &Target.getSymA()->getSymbol();
+ if (A->isTemporary())
+ A = &A->AliasedSymbol();
MCSymbolData &A_SD = Asm.getSymbolData(*A);
const MCSymbolData *A_Base = Asm.getAtom(&A_SD);
const MCSymbol *B = &Target.getSymB()->getSymbol();
+ if (B->isTemporary())
+ B = &B->AliasedSymbol();
MCSymbolData &B_SD = Asm.getSymbolData(*B);
const MCSymbolData *B_Base = Asm.getAtom(&B_SD);
--- /dev/null
+// RUN: llvm-mc -triple x86_64-apple-darwin9 %s -filetype=obj -o - | macho-dump --dump-section-data | FileCheck %s
+
+// Test case for rdar://9356266
+
+// This tests that this expression does not cause a crash and produces these
+// four relocation entries:
+// Relocation information (__DATA,__data) 4 entries
+// address pcrel length extern type scattered symbolnum/value
+// 00000004 False long False SUB False 2 (__DATA,__data)
+// 00000004 False long False UNSIGND False 2 (__DATA,__data)
+// 00000000 False long False SUB False 2 (__DATA,__data)
+// 00000000 False long False UNSIGND False 2 (__DATA,__data)
+
+ .data
+L_var1:
+L_var2:
+// This was working fine
+ .long L_var2 - L_var1
+
+ .set L_var3, .
+ .set L_var4, .
+// But this was causing a crash
+ .long L_var4 - L_var3
+
+// CHECK: ('_relocations', [
+// CHECK: # Relocation 0
+// CHECK: (('word-0', 0x4),
+// CHECK: ('word-1', 0x54000002)),
+// CHECK: # Relocation 1
+// CHECK: (('word-0', 0x4),
+// CHECK: ('word-1', 0x4000002)),
+// CHECK: # Relocation 2
+// CHECK: (('word-0', 0x0),
+// CHECK: ('word-1', 0x54000002)),
+// CHECK: # Relocation 3
+// CHECK: (('word-0', 0x0),
+// CHECK: ('word-1', 0x4000002)),
+// CHECK: ])