[Bug c++/35004] New: Adding 4 more tree codes causes a crash in building libstdc++ pre-compiled headers
michael dot meissner at amd dot com
gcc-bugzilla@gcc.gnu.org
Tue Jan 29 00:16:00 GMT 2008
If I add 4 more tree codes to tree.def, it causes a segmentation violation in
building libstdc++ pre-compiled header files.
Here is the patch to add 4 more tree codes:
--- gcc/tree.def.~1~ 2007-11-01 11:59:47.000000000 -0400
+++ gcc/tree.def 2008-01-28 16:01:36.000000000 -0500
@@ -682,6 +682,13 @@ DEFTREECODE (RSHIFT_EXPR, "rshift_expr",
DEFTREECODE (LROTATE_EXPR, "lrotate_expr", tcc_binary, 2)
DEFTREECODE (RROTATE_EXPR, "rrotate_expr", tcc_binary, 2)
+/* Vector/vector shifts, where both arguments are vector types. This is only
+ used during the expansion of shifts and rotates. */
+DEFTREECODE (VLSHIFT_EXPR, "vlshift_expr", tcc_binary, 2)
+DEFTREECODE (VRSHIFT_EXPR, "vrshift_expr", tcc_binary, 2)
+DEFTREECODE (VLROTATE_EXPR, "vlrotate_expr", tcc_binary, 2)
+DEFTREECODE (VRROTATE_EXPR, "vrrotate_expr", tcc_binary, 2)
+
/* Bitwise operations. Operands have same mode as result. */
DEFTREECODE (BIT_IOR_EXPR, "bit_ior_expr", tcc_binary, 2)
DEFTREECODE (BIT_XOR_EXPR, "bit_xor_expr", tcc_binary, 2)
Here is the file that segfaults:
/data/fsf-build/bulldozer-gcc-test/./gcc/xgcc -shared-libgcc
-B/data/fsf-build/bulldozer-gcc-test/./gcc -nostdinc++
-L/data/fsf-build/bulldozer-gcc-test/x86_64-unknown-linux-gnu/libstdc++-v3/src
-L/data/fsf-build/bulldozer-gcc-test/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs
-B/proj/gcc/fsf-install/bulldozer-gcc-test/x86_64-unknown-linux-gnu/bin/
-B/proj/gcc/fsf-install/bulldozer-gcc-test/x86_64-unknown-linux-gnu/lib/
-isystem
/proj/gcc/fsf-install/bulldozer-gcc-test/x86_64-unknown-linux-gnu/include
-isystem
/proj/gcc/fsf-install/bulldozer-gcc-test/x86_64-unknown-linux-gnu/sys-include
-Winvalid-pch -x c++-header -g -O2 -D_GNU_SOURCE
-I/data/fsf-build/bulldozer-gcc-test/x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu
-I/data/fsf-build/bulldozer-gcc-test/x86_64-unknown-linux-gnu/libstdc++-v3/include
-I/proj/gcc/fsf-src/bulldozer-gcc-test/libstdc++-v3/libsupc++ -O0 -g
/proj/gcc/fsf-src/bulldozer-gcc-test/libstdc++-v3/include/precompiled/stdc++.h
-o x86_64-unknown-linux-gnu/bits/stdc++.h.gch/O0g.gch
In file included from
/data/fsf-build/bulldozer-gcc-test/x86_64-unknown-linux-gnu/libstdc++-v3/include/valarray:539,
from
/proj/gcc/fsf-src/bulldozer-gcc-test/libstdc++-v3/include/precompiled/stdc++.h:96:
/data/fsf-build/bulldozer-gcc-test/x86_64-unknown-linux-gnu/libstdc++-v3/include/valarray:
In instantiation of Âstd::valarray<long unsigned int>Â:
/data/fsf-build/bulldozer-gcc-test/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/valarray_after.h:59:
instantiated from here
/data/fsf-build/bulldozer-gcc-test/x86_64-unknown-linux-gnu/libstdc++-v3/include/valarray:117:
internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
--
Summary: Adding 4 more tree codes causes a crash in building
libstdc++ pre-compiled headers
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: michael dot meissner at amd dot com
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35004
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