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[Bug target/36436] -ftree-vrp -O1 -msse5 -ftree-vectorize leads to segfault during garbage collection
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 Aug 2008 02:40:33 -0000
- Subject: [Bug target/36436] -ftree-vrp -O1 -msse5 -ftree-vectorize leads to segfault during garbage collection
- References: <bug-36436-10947@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from pinskia at gcc dot gnu dot org 2008-08-11 02:40 -------
Hmm, the attributes are being mishandled for some builtins:
<function_decl 0x42d48c00 __builtin_scalb
type <function_type 0x42d26700
type <real_type 0x42d1e620 double DF
size <integer_cst 0x428d47b0 constant 64>
unit size <integer_cst 0x428d47e0 constant 8>
align 64 symtab 0 alias set -1 canonical type 0x42d1e620 precision
64
pointer_to_this <pointer_type 0x42d1e770>>
QI
size <integer_cst 0x428d4360 constant 8>
unit size <integer_cst 0x428d4390 constant 1>
align 8 symtab 0 alias set -1 canonical type 0x42d26700
arg-types <tree_list 0x42d249a0 value <real_type 0x42d1e620 double>
chain <tree_list 0x42d249c0 value <real_type 0x42d1e620 double>
chain <tree_list 0x42d0fd20 value <void_type 0x42d1e3f0
void>>>>>
readonly nothrow public external built-in decl_6 QI file <built-in> line 0
col 0
align 8 built-in BUILT_IN_NORMAL:BUILT_IN_SCALB attributes <(null)
0x42d4a0e0> chain <function_decl 0x42d48c80 scalb>>
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36436