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-rw-r--r--gcc/final.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/final.c b/gcc/final.c
index a8338e0..842e5e0 100644
--- a/gcc/final.c
+++ b/gcc/final.c
@@ -3154,7 +3154,11 @@ final_scan_insn (rtx_insn *insn, FILE *file, int optimize_p,
/* Map DECLs to instance discriminators. This is allocated and
- defined in ada/gcc-interfaces/trans.c, when compiling with -gnateS. */
+ defined in ada/gcc-interfaces/trans.c, when compiling with -gnateS.
+ Mappings from this table are saved and restored for LTO, so
+ link-time compilation will have this map set, at least in
+ partitions containing at least one DECL with an associated instance
+ discriminator. */
decl_to_instance_map_t *decl_to_instance_map;