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authorhp <hp@138bc75d-0d04-0410-961f-82ee72b054a4>2007-11-22 07:34:10 +0000
committerhp <hp@138bc75d-0d04-0410-961f-82ee72b054a4>2007-11-22 07:34:10 +0000
commitb948ae2fb33bbb8b6f07e0b5a9ca9c0659a9b3b3 (patch)
tree5c02964e9e111db62172977fb78c1b009b924b3a
parentbc7ec75d518de400a6c1bf0931cd2200515bb82f (diff)
downloadppe42-gcc-b948ae2fb33bbb8b6f07e0b5a9ca9c0659a9b3b3.tar.gz
ppe42-gcc-b948ae2fb33bbb8b6f07e0b5a9ca9c0659a9b3b3.zip
* config/mmix/mmix.c (mmix_encode_section_info): Use alloca to
avoid writing into string allocated by ggc_alloc_string. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@130342 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/mmix/mmix.c9
2 files changed, 8 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b128a5af979..ac51ad54899 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2007-11-22 Tom Tromey <tromey@redhat.com>
+
+ * config/mmix/mmix.c (mmix_encode_section_info): Use alloca to
+ avoid writing into string allocated by ggc_alloc_string.
+
2007-11-21 Kaz Kojima <kkojima@gcc.gnu.org>
PR target/34155
diff --git a/gcc/config/mmix/mmix.c b/gcc/config/mmix/mmix.c
index a55b0dcc7f3..271b3d21a6a 100644
--- a/gcc/config/mmix/mmix.c
+++ b/gcc/config/mmix/mmix.c
@@ -1158,14 +1158,11 @@ mmix_encode_section_info (tree decl, rtx rtl, int first)
const char *str = XSTR (XEXP (rtl, 0), 0);
int len = strlen (str);
- char *newstr;
-
- /* Why is the return type of ggc_alloc_string const? */
- newstr = CONST_CAST (char *, ggc_alloc_string ("", len + 1));
-
+ char *newstr = alloca (len + 2);
+ newstr[0] = '@';
strcpy (newstr + 1, str);
*newstr = '@';
- XSTR (XEXP (rtl, 0), 0) = newstr;
+ XSTR (XEXP (rtl, 0), 0) = ggc_alloc_string (newstr, len + 1);
}
/* Set SYMBOL_REF_FLAG for things that we want to access with GETA. We
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