>Submitter-Id: net
>Originator: Randolph Chung <[EMAIL PROTECTED]>
>Organization: Debian
>Confidential: no
>Synopsis: [3.3 regression] [parisc-linux] ICE when building lesstif1 at
>-O1/O2
>Severity: serious
>Priority: medium
>Category: optimization
>Class: ice-on-legal-code
>Release: 3.3 20030309 (Debian prerelease) (Debian testing/unstable)
>Environment:
System: Linux gsyprf11.external.hp.com 2.4.20-pa18-UP #1 Sat Jan 4 22:06:52 PST
2003 parisc64 unknown unknown GNU/Linux
Architecture: parisc64
<machine, os, target, libraries (multiple lines)>
host: hppa-unknown-linux-gnu
build: hppa-unknown-linux-gnu
target: hppa-unknown-linux-gnu
configured with: ../src/configure -v
--enable-languages=c,c++,f77,objc,ada,treelang --prefix=/usr
--mandir=/usr/share/man --infodir=/usr/share/info
--with-gxx-include-dir=/usr/include/c++/3.3 --enable-shared --with-system-zlib
--enable-nls --without-included-gettext --enable-__cxa_atexit
--enable-sjlj-exceptions --enable-clocale=gnu --enable-debug --enable-objc-gc
hppa-linux
>Description:
Test program below is extracted from lesstif1 (v0.93.36).
Compiles fine without -O, but with -O1 or -O2 it aborts. The code
compiles fine with gcc-3.2.3
bash-2.05b# gcc -O1 -v -c bug.c
Reading specs from /usr/lib/gcc-lib/hppa-linux/3.3/specs
Configured with: ../src/configure -v
--enable-languages=c,c++,f77,objc,ada,treelang --prefix=/usr
--mandir=/usr/share/man --infodir=/usr/share/info
--with-gxx-include-dir=/usr/include/c++/3.3 --enable-shared --with-system-zlib
--enable-nls --without-included-gettext --enable-__cxa_atexit
--enable-sjlj-exceptions --enable-clocale=gnu --enable-debug --enable-objc-gc
hppa-linux
Thread model: posix
gcc version 3.3 20030309 (Debian prerelease)
/usr/lib/gcc-lib/hppa-linux/3.3/cc1 -quiet -v -D__GNUC__=3 -D__GNUC_MINOR__=3
-D__GNUC_PATCHLEVEL__=0 bug.c -quiet -dumpbase bug.c -auxbase bug -O1 -version
-o /tmp/ccrpBE2v.s
GNU C version 3.3 20030309 (Debian prerelease) (hppa-linux)
compiled by GNU C version 3.3 20030309 (Debian prerelease).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
ignoring nonexistent directory "/usr/hppa-linux/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/local/include
/usr/lib/gcc-lib/hppa-linux/3.3/include
/usr/include
End of search list.
bug.c: In function `get_modifier_mapping':
bug.c:44: internal compiler error: Aborted
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
>How-To-Repeat:
gcc -O1 -c bug.c
------- 8< bug.c 8<------
typedef struct {
int max_keypermod;
} XModifierKeymap;
#define XK_Meta_L 0xFFE7 /* Left meta */
#define XK_Meta_R 0xFFE8 /* Right meta */
#define XK_Alt_L 0xFFE9 /* Left alt */
#define XK_Alt_R 0xFFEA /* Right alt */
#define Mod1Mask (1<<3)
unsigned int blah(void);
static int
get_modifier_mapping(void *Dsp)
{
XModifierKeymap *mk;
unsigned int ModifierKeysym;
int ModifierSet, SetIndex, SetSize;
int AltMask = Mod1Mask;
SetSize = mk->max_keypermod;
for (ModifierSet = 0; ModifierSet < 8; ModifierSet++)
{
for (SetIndex = 0; SetIndex < SetSize; SetIndex++)
{
ModifierKeysym = blah();
switch (ModifierKeysym)
{
case XK_Meta_L:
case XK_Meta_R:
AltMask = 1L << ModifierSet;
goto bailout;
case XK_Alt_L:
case XK_Alt_R:
AltMask = 1L << ModifierSet;
goto bailout;
}
}
}
bailout:
return AltMask;
}
------- 8< bug.c 8<------
>Fix:
unknown
