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re PR middle-end/45874 (ICE in verify_flow_info failed)

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2010-10-13  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45874
	* cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
	Fixup the CFG when EH was fixed up.

	* g++.dg/torture/pr45874.C: New testcase.

From-SVN: r165416
This commit is contained in:
Richard Guenther 2010-10-13 10:06:28 +00:00 committed by Richard Biener
parent a1178b309a
commit 72351fa31f
4 changed files with 74 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-10-13 Richard Guenther <rguenther@suse.de>
PR middle-end/45874
* cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
Fixup the CFG when EH was fixed up.
2010-10-13 Ira Rosen <irar@il.ibm.com>
* tree-vect-slp.c (vect_get_constant_vectors): Fix comment.

6
gcc/cgraphunit.c
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@ -2167,13 +2167,17 @@ cgraph_redirect_edge_call_stmt_to_callee (struct cgraph_edge *e)
SSA_NAME_DEF_STMT (gimple_vdef (new_stmt)) = new_stmt;
gsi = gsi_for_stmt (e->call_stmt);
gsi_replace (&gsi, new_stmt, true);
gsi_replace (&gsi, new_stmt, false);
if (maybe_clean_or_replace_eh_stmt (e->call_stmt, new_stmt))
gimple_purge_dead_eh_edges (gimple_bb (new_stmt));
}
else
{
new_stmt = e->call_stmt;
gimple_call_set_fndecl (new_stmt, e->callee->decl);
update_stmt (new_stmt);
if (maybe_clean_eh_stmt (new_stmt))
gimple_purge_dead_eh_edges (gimple_bb (new_stmt));
}
cgraph_set_call_stmt_including_clones (e->caller, e->call_stmt, new_stmt);

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2010-10-13 Richard Guenther <rguenther@suse.de>
PR middle-end/45874
* g++.dg/torture/pr45874.C: New testcase.
2010-10-13 Iain Sandoe <iains@gcc.gnu.org>
* objc.dg/attributes/method-attribute-1.m: Update to respond

58
gcc/testsuite/g++.dg/torture/pr45874.C Normal file
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@ -0,0 +1,58 @@
// { dg-do compile }
typedef struct {
} IppLibraryVersion;
typedef unsigned char Ipp8u;
typedef unsigned int Ipp32u;
typedef signed int Ipp32s;
typedef enum e_vm_Status {
VM_OK = 0, VM_OPERATION_FAILED =-999, VM_NOT_INITIALIZED =-998, VM_TIMEOUT =-987, VM_NOT_ENOUGH_DATA =-996, VM_NULL_PTR =-995, VM_SO_CANT_LOAD =-994, VM_SO_INVALID_HANDLE =-993, VM_SO_CANT_GET_ADDR =-992 }
vm_status;
typedef Ipp32s Status;
class MediaReceiver {
};
class MediaBuffer : public MediaReceiver {
};
struct TrackInfo {
};
struct Mpeg2TrackInfo : public TrackInfo {
};
class BitstreamReader {
public: BitstreamReader(void);
virtual ~BitstreamReader(void) {
}
Ipp32u GetBits(Ipp32s iNum);
void SkipBits(Ipp32s iNum);
protected: virtual void Refresh(void);
Ipp32s m_iReadyBits;
};
class FrameConstructor : public MediaBuffer {
};
class VideoFrameConstructor : public FrameConstructor {
};
class Mpeg2FrameConstructor : public VideoFrameConstructor {
static Status ParsePictureHeader(Ipp8u *buf, Ipp32s iLen, Mpeg2TrackInfo *pInfo);
};
Status Mpeg2FrameConstructor::ParsePictureHeader(Ipp8u *buf, Ipp32s iLen, Mpeg2TrackInfo *pInfo) {
BitstreamReader bs;
bs.SkipBits(32 + 4 + 4 + 4 + 4 + 4 + 2);
bs.SkipBits(1 + 1 + 1 + 1 + 1 + 1 + 1);
bs.SkipBits(5);
bs.SkipBits(3);
Ipp8u source_format;
bs.SkipBits(22);
bs.SkipBits(8);
if (7 == source_format) {
Ipp8u ufep = (Ipp8u)bs.GetBits(3);
if (0x01 == ufep) {
bs.SkipBits(10);
}
}
}
void BitstreamReader::SkipBits(Ipp32s iNum) {
if (iNum <= m_iReadyBits) {
m_iReadyBits -= iNum;
Refresh();
}
}
void BitstreamReader::Refresh(void) { }