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-rw-r--r--gcc/tree-ssa-ccp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c
index 133d00a7090..08200ff0c58 100644
--- a/gcc/tree-ssa-ccp.c
+++ b/gcc/tree-ssa-ccp.c
@@ -342,6 +342,7 @@ get_default_value (tree var)
}
else if (TREE_STATIC (sym)
&& TREE_READONLY (sym)
+ && !MTAG_P (sym)
&& DECL_INITIAL (sym)
&& ccp_decl_initial_min_invariant (DECL_INITIAL (sym)))
{
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