On Mon, Jan 13, 2014 at 08:32:49AM +0000, Ian Campbell wrote: > On Mon, 2014-01-13 at 05:51 +0100, Matthias Klose wrote:
> > the gcc-4.9 in experimental fails to build while the one for armhf succeeds. > For reference the logs are at: > https://buildd.debian.org/status/fetch.php?pkg=gcc-4.9&arch=armel&ver=4.9-20140111-1&stamp=1389510444 > build/genpreds -c ../../src/gcc/config/arm/arm.md > tmp-constrs.h > /bin/bash: line 1: 18632 Segmentation fault build/genpreds -c > ../../src/gcc/config/arm/arm.md > tmp-constrs.h I did a local build of gcc-4.9 and got to the same point. build/genpreds succeeds if built with O0, and fails if built with -O1. Backtrace: Program received signal SIGSEGV, Segmentation fault. needs_variable (exp=exp@entry=0x0, var=var@entry=0x1a438 "ival") at ../../src/gcc/genpreds.c:169 169 switch (GET_CODE (exp)) (gdb) bt #0 needs_variable (exp=exp@entry=0x0, var=var@entry=0x1a438 "ival") at ../../src/gcc/genpreds.c:169 #1 0x0000a8e0 in write_tm_constrs_h () at ../../src/gcc/genpreds.c:1051 #2 main (argc=<optimized out>, argv=<optimized out>) at ../../src/gcc/genpreds.c:1400 (gdb) bt full #0 needs_variable (exp=exp@entry=0x0, var=var@entry=0x1a438 "ival") at ../../src/gcc/genpreds.c:169 __FUNCTION__ = "needs_variable" #1 0x0000a8e0 in write_tm_constrs_h () at ../../src/gcc/genpreds.c:1051 needs_ival = <optimized out> needs_hval = <optimized out> needs_lval = <optimized out> needs_rval = <optimized out> needs_mode = <optimized out> needs_op = <optimized out> c = 0x2c800 #2 main (argc=<optimized out>, argv=<optimized out>) at ../../src/gcc/genpreds.c:1400 defn = <optimized out> pattern_lineno = 421 next_insn_code = 3816 (gdb) p exp $1 = (rtx) 0x0 (gdb) frame 1 #1 0x0000a8e0 in write_tm_constrs_h () at ../../src/gcc/genpreds.c:1051 1051 bool needs_ival = needs_variable (c->exp, "ival"); (gdb) p c $3 = (constraint_data *) 0x2c800 (gdb) p *c $4 = {next_this_letter = 0x0, next_textual = 0x2c828, name = 0x53930 "t", c_name = 0x53930 "t", namelen = 1, regclass = 0x53938 "TARGET_32BIT ? VFP_LO_REGS : NO_REGS", exp = 0x0, lineno = 44, is_register = 0, is_const_int = 0, is_const_dbl = 0, is_extra = 0, is_memory = 0, is_address = 0} (gdb) -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
