Fix a Mach-O assembler segfault for a subtraction expression with an undefined symbol.

[oota-llvm.git] / test / MC / MachO / bad-darwin-x86_64-reloc-expr1.s

diff --git a/test/MC/MachO/bad-darwin-x86_64-reloc-expr1.s b/test/MC/MachO/bad-darwin-x86_64-reloc-expr1.s
new file mode 100644 (file)
index 0000000..518ae64
--- /dev/null
+++ b/test/MC/MachO/bad-darwin-x86_64-reloc-expr1.s
@@ -0,0 +1,6 @@
+// RUN: not llvm-mc -triple x86_64-apple-darwin10 %s -filetype=obj -o - 2> %t.err > %t
+// RUN: FileCheck --check-prefix=CHECK-ERROR < %t.err %s
+
+_Z:
+.long (_Z+4)-_b
+// CHECK-ERROR: error: unsupported relocation with subtraction expression, symbol '_b' can not be undefined in a subtraction expression