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re PR debug/29558 (ICE in set_variable_part, at var-tracking.c:2140) 

PR debug/29558
        * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
        in memory.

From-SVN: r122131
This commit is contained in:
Richard Henderson 2007-02-19 08:21:59 -08:00 committed by Richard Henderson
parent 9a6f71b45c
commit 80a3af5be7
3 changed files with 38 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-02-19 Richard Henderson <rth@redhat.com>
PR debug/29558
* var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
in memory.
2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.c (s390_call_saved_register_used,

30
gcc/testsuite/gcc.dg/debug/pr29558.c Normal file
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@ -0,0 +1,30 @@
/* { dg-do compile } */
void stpi_unpack_16_1(int length, unsigned char *out, unsigned char bit)
{
unsigned char tempin;
unsigned char temp[16];
for (bit = 128; length > 0; length--) {
if (tempin & 128)
temp[0] |= bit;
else
{
*out++ = temp[1];
*out++ = temp[2];
*out++ = temp[3];
*out++ = temp[4];
*out++ = temp[5];
*out++ = temp[6];
*out++ = temp[7];
*out++ = temp[9];
*out++ = temp[10];
*out++ = temp[11];
*out++ = temp[12];
*out++ = temp[13];
*out++ = temp[14];
*out++ = temp[15];
__builtin_memset (temp, 0, 16);
}
}
}

3
gcc/var-tracking.c
View File

@ -1529,7 +1529,8 @@ track_expr_p (tree expr)
if (MEM_P (decl_rtl))
{
/* Do not track structures and arrays. */
if (GET_MODE (decl_rtl) == BLKmode)
if (GET_MODE (decl_rtl) == BLKmode
|| AGGREGATE_TYPE_P (TREE_TYPE (realdecl)))
return 0;
if (MEM_SIZE (decl_rtl)
&& INTVAL (MEM_SIZE (decl_rtl)) > MAX_VAR_PARTS)