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-rw-r--r--gcc/defaults.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h
index 651133898d0..434d761afed 100644
--- a/gcc/defaults.h
+++ b/gcc/defaults.h
@@ -136,6 +136,6 @@ do { fprintf (FILE, "\t%s\t", ASM_LONG); \
/* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that
the rest of the DWARF 2 frame unwind support is also provided. */
-#ifdef INCOMING_RETURN_ADDR_RTX
-#define DWARF2_UNWIND_INFO
+#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX)
+#define DWARF2_UNWIND_INFO 1
#endif