[Sun C++ 5.9/x86_64] ube assertion

• Key: STDCXX-551
• Type: Bug
• Status: Open
• Priority: Major
• Assignee: Unassigned
• Reporter: Martin Sebor
• Component/s: External

Description

-------- Original Message --------
Subject: Your Report (Review ID: 1065078) - Sun C++ 5.9/x86 assertion in ube
Date: Wed, 12 Sep 2007 14:07:41 -0600 (MDT)
From: [e-mail] <[e-mail]>
To: [e-mail]

Dear Sun Studio Developer,

Thank you for your interest in improving the quality of Sun Studio
product.

Your report has been assigned an internal review ID of 1065078.

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Date Created: Wed Sep 12 14:07:38 MDT 2007
Type: bug
Customer Name: Martin Sebor
Customer Email: [e-mail]
SDN ID:
status: Waiting
Category: c++
Subcategory: other
Company: Rogue Wave Software
release: studio12
hardware: x64
OSversion: solaris_10
priority: 4
Synopsis: Sun C++ 5.9/x86 assertion in ube
Description:
FULL PRODUCT VERSION :

ADDITIONAL OS VERSION INFORMATION :
SunOS 5.10 i386

A DESCRIPTION OF THE PROBLEM :
The ube optimizer fails with an assertion on the attached test case.

REGRESSION. Last worked in version studio11

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Compile the attached test case as follows:

CC -O -V -m64 t.cpp

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
No error.
ACTUAL -
CC: Sun C++ 5.9 SunOS_i386 2007/05/03
ir2hf: Sun Compiler Common 12 SunOS_i386 2007/05/03
ube: Sun Compiler Common 12 SunOS_i386 2007/05/03
"t.cpp", [__1cBBDfoo6Mn0ABD__v_]:ube: error: Assert has been violated at '/set/mars/builds.intel-S2/nightly.Thu/intel-S2/lang/ube/machine/src/abi_call.c 172'.

ERROR MESSAGES/STACK TRACES THAT OCCUR :
"t.cpp", [__1cBBDfoo6Mn0ABD__v_]:ube: error: Assert has been violated at '/set/mars/builds.intel-S2/nightly.Thu/intel-S2/lang/ube/machine/src/abi_call.c 172'.

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
struct A { };

struct B {
struct C {
int *x_;
int y_;
C (int *x = 0, int y = 0): x_ , y_ { }
};
struct D: C, A { D (int *x = 0, int y = 0): C (x, y) { } };
void foo (D);
};

void B::foo (D) { }

int main () {
B vb;
vb.foo (B: ());
}

---------- END SOURCE ----------
workaround:
comments: (company - Rogue Wave Software , email - [e-mail])

Comments

[Martin Sebor]

Only happens on x86_64, in wide (64-bit) mode.

[Martin Sebor]

Adding a copy ctor to class B::C works around the problem:

$ diff -u t.cpp.₀ t.cpp
— t.cpp.₀ Wed Sep 12 17:27:21 2007
+++ t.cpp Wed Sep 12 17:26:40 2007
@@ -4,6 +4,7 @@
struct C {
int *x_;
int y_;
+ C (const C &c): x_ (c.x_), y_ (c.y_) { }
C (int *x = 0, int y = 0): x_ , y_ { }
};
struct D: C, A { D (int *x = 0, int y = 0): C (x, y) { } };

[Martin Sebor]

-------- Original Message --------
Subject: Re: (Incident Review ID: 1065078) Sun C++ 5.9/x86 assertion in ube
Date: Wed, 12 Sep 2007 16:48:37 -0700 (MST)
From: Sun Microsystems <[e-mail]>
To: [e-mail]

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Hi Martin Sebor,

Thank you for reporting this issue.

We have determined that this report is a new bug and entered the bug into our internal bug tracking system under Bug Id: 6603980.

You can monitor this bug on the Java Bug Database at
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6603980.

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Click http://bugs.sun.com/bugdatabase/addBugWatch.do?bug_id=6603980.

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Regards,
Ngoc

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