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re PR lto/41761 (lto1: error: type mismatch in component reference (const with non-const))

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2009-10-20  Richard Guenther  <rguenther@suse.de>

        PR lto/41761
	* gimple.c (gimple_register_type): Make sure we register
	the types main variant first.

	* gcc.dg/lto/20091020-1_0.c: New testcase.
	* gcc.dg/lto/20091020-1_1.c: Likewise.
	* gcc.dg/lto/20091020-2_0.c: Likewise.
	* gcc.dg/lto/20091020-2_1.c: Likewise.

From-SVN: r153012
This commit is contained in:
Richard Guenther 2009-10-20 13:33:03 +00:00 committed by Richard Biener
parent dd8c071d66
commit 20d36f0ea6
7 changed files with 66 additions and 0 deletions
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6
gcc/ChangeLog
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@ -4,6 +4,12 @@
* loop-invariant.c (calculate_loop_reg_pressure): Don't count regs
referenced just in DEBUG_INSNs.
2009-10-20 Richard Guenther <rguenther@suse.de>
PR lto/41761
* gimple.c (gimple_register_type): Make sure we register
the types main variant first.
2009-10-20 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_types_compatible_p): Simplify. Move

6
gcc/gimple.c
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@ -3809,6 +3809,12 @@ gimple_register_type (tree t)
gcc_assert (TYPE_P (t));
/* Always register the main variant first. This is important so we
pick up the non-typedef variants as canonical, otherwise we'll end
up taking typedef ids for structure tags during comparison. */
if (TYPE_MAIN_VARIANT (t) != t)
gimple_register_type (TYPE_MAIN_VARIANT (t));
if (gimple_types == NULL)
gimple_types = htab_create (16381, gimple_type_hash, gimple_type_eq, 0);

8
gcc/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2009-10-20 Richard Guenther <rguenther@suse.de>
PR lto/41761
* gcc.dg/lto/20091020-1_0.c: New testcase.
* gcc.dg/lto/20091020-1_1.c: Likewise.
* gcc.dg/lto/20091020-2_0.c: Likewise.
* gcc.dg/lto/20091020-2_1.c: Likewise.
2009-10-20 Jakub Jelinek <jakub@redhat.com>
PR debug/41340

8
gcc/testsuite/gcc.dg/lto/20091020-1_0.c Normal file
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@ -0,0 +1,8 @@
/* { dg-lto-do link } */
/* { dg-lto-options {{-fPIC -shared -flto}} } */
typedef struct {
int NumPackStreams;
} CSzAr;
void cli_7unz (CSzAr db) { }

15
gcc/testsuite/gcc.dg/lto/20091020-1_1.c Normal file
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@ -0,0 +1,15 @@
typedef struct {
int NumPackStreams;
} CSzAr;
typedef struct {
CSzAr db;
} CSzArEx;
int SzArEx_Init(CSzArEx *p)
{
return p->db.NumPackStreams;
}
int SzArEx_GetFolderFullPackSize(const CSzArEx *p)
{
return p->db.NumPackStreams;
}

18
gcc/testsuite/gcc.dg/lto/20091020-2_0.c Normal file
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@ -0,0 +1,18 @@
/* { dg-lto-do link } */
/* { dg-lto-options {{-fPIC -shared -flto}} } */
typedef struct {
int NumPackStreams;
} CSzAr;
typedef struct {
CSzAr db;
} CSzArEx;
int SzArEx_Init(CSzArEx *p)
{
return p->db.NumPackStreams;
}
int SzArEx_GetFolderFullPackSize(const CSzArEx *p)
{
return p->db.NumPackStreams;
}

5
gcc/testsuite/gcc.dg/lto/20091020-2_1.c Normal file
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@ -0,0 +1,5 @@
typedef struct {
int NumPackStreams;
} CSzAr;
void cli_7unz (CSzAr db) { }