* string.c (RESIZE_CAPA): should not resize shared string.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44824 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/string.c b/string.c
index 86ae2bf6db..5df2ca38c0 100644
--- a/string.c
+++ b/string.c
@@ -107,9 +107,9 @@ VALUE rb_cSymbol;
 	}\
     }\
     else {\
+	assert(!FL_TEST((str), STR_SHARED)); \
 	REALLOC_N(RSTRING(str)->as.heap.ptr, char, (capacity)+termlen);\
-	if (!STR_NOCAPA_P(str))\
-	    RSTRING(str)->as.heap.aux.capa = (capacity);\
+	RSTRING(str)->as.heap.aux.capa = (capacity);\
     }\
 } while (0)