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-rw-r--r--gcc/varasm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/varasm.c b/gcc/varasm.c
index f8744f7..6e81db4 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -3208,6 +3208,10 @@ build_constant_desc (tree exp)
set_mem_alias_set (rtl, 0);
set_mem_alias_set (rtl, const_alias_set);
+ /* We cannot share RTX'es in pool entries.
+ Mark this piece of RTL as required for unsharing. */
+ RTX_FLAG (rtl, used) = 1;
+
/* Set flags or add text to the name to record information, such as
that it is a local symbol. If the name is changed, the macro
ASM_OUTPUT_LABELREF will have to know how to strip this