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-rw-r--r--gcc/config/mips/mips.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
index dfb8aff6239..121628a0785 100644
--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -1982,7 +1982,7 @@ enum reg_class
choose a class which is "minimal", meaning that no smaller class
also contains the register. */
-extern enum reg_class mips_regno_to_class[];
+extern const enum reg_class mips_regno_to_class[];
#define REGNO_REG_CLASS(REGNO) mips_regno_to_class[ (REGNO) ]
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