Hi all,
Can gatekeeper help review this fix?
The problem is that for expr TY_kind(ST_type(blk)), the ty_idx for blk
is invalid if the sym_class is CLASS_FUNC or CLASS_BLOCK,CLASS_NAME.
svn diff for r3492:
Modified: trunk/osprey/be/com/data_layout.cxx
===================================================================
--- trunk/osprey/be/com/data_layout.cxx 2011-02-24 22:51:04 UTC (rev 3491)
+++ trunk/osprey/be/com/data_layout.cxx 2011-02-25 09:58:56 UTC (rev 3492)
@@ -652,7 +652,7 @@
INT64 size;
INITO_IDX ino_idx;
// if blk is variable length struct, its size should be inito size.
- if (TY_kind(ST_type(blk)) == KIND_STRUCT && (ino_idx =
Find_INITO_For_Symbol(blk)) != 0)
+ if (TY_kind(ST_type(blk)) == KIND_STRUCT && (ino_idx =
Find_INITO_For_Symbol(blk)) != 0 && INITV_kind(INITO_val(ino_idx)) ==
INITVKIND_BLOCK)
{
size = Get_INITO_Size(ino_idx);
Is_True(size >= ST_size(blk),("%s's inito size smaller than
ST_size",ST_name(blk)));
Here is the case, may need to enlarge file number to reproduce:
n=1
while [ $n -lt 2500 ]
do
echo "Processing $n"
echo "void myfunc$n(){}" > file$n.c
opencc -Ofast -c -o file$n.o file$n.c
n=`expr $n + 1`
done
opencc -Ofast -shared -o a.so *.o
The fix is:
Index: be/com/data_layout.cxx
===================================================================
--- be/com/data_layout.cxx (revision 3537)
+++ be/com/data_layout.cxx (working copy)
@@ -652,7 +652,10 @@
INT64 size;
INITO_IDX ino_idx;
// if blk is variable length struct, its size should be inito size.
- if (TY_kind(ST_type(blk)) == KIND_STRUCT && (ino_idx =
Find_INITO_For_Symbol(blk)) != 0 && INITV_kind(INITO_val(ino_idx)) ==
INITVKIND_BLOCK)
+ if ( ST_class(blk) == CLASS_VAR &&
+ TY_kind(ST_type(blk)) == KIND_STRUCT &&
+ (ino_idx = Find_INITO_For_Symbol(blk)) != 0 &&
+ INITV_kind(INITO_val(ino_idx)) == INITVKIND_BLOCK )
{
size = Get_INITO_Size(ino_idx);
Is_True(size >= ST_size(blk),("%s's inito size smaller than
ST_size",ST_name(blk)));
Thanks Michael Lai point out the issue and provide the case!
Thanks
zhuqing
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