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re PR tree-optimization/39394 (ICE in copy_tree_body_r)

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PR tree-optimization/39394
	* gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
	DECL_SIZE_UNIT of variable length FIELD_DECLs.

	* gcc.c-torture/compile/pr39394.c: New test.

From-SVN: r144727
This commit is contained in:
Jakub Jelinek 2009-03-09 15:01:29 +01:00 • committed by Jakub Jelinek
parent 929b7fc3c0
commit 9a9ba8d9b1
4 changed files with 41 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2009-03-09 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/39394
* gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
DECL_SIZE_UNIT of variable length FIELD_DECLs.
2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* recog.c (verfiy_changes): Disallow renaming of hard regs in

2
gcc/gimplify.c
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@ -7141,6 +7141,8 @@ gimplify_type_sizes (tree type, gimple_seq *list_p)
if (TREE_CODE (field) == FIELD_DECL)
{
gimplify_one_sizepos (&DECL_FIELD_OFFSET (field), list_p);
gimplify_one_sizepos (&DECL_SIZE (field), list_p);
gimplify_one_sizepos (&DECL_SIZE_UNIT (field), list_p);
gimplify_type_sizes (TREE_TYPE (field), list_p);
}
break;

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2009-03-09 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/39394
* gcc.c-torture/compile/pr39394.c: New test.
2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* gcc.target/s390/20090223-1.c: New testcase.

28
gcc/testsuite/gcc.c-torture/compile/pr39394.c Normal file
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@ -0,0 +1,28 @@
/* PR tree-optimization/39394 */
char *p;
int x;
static inline void
f1 (int n)
{
asm volatile ("" : "=m" (*(struct { char x[n]; } *) p));
}
static inline void
f2 (void)
{
x ? f1 (1) : f1 (2);
}
static inline void
f3 (void)
{
f2 ();
}
void
f4 (void)
{
f3 ();
}