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[Bug middle-end/32761] [4.3 Regression] build broke: var_tracking loses track of register elimination, crashes in find_src_set_src on parallel set
- From: "rask at sygehus dot dk" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Jul 2007 13:31:36 -0000
- Subject: [Bug middle-end/32761] [4.3 Regression] build broke: var_tracking loses track of register elimination, crashes in find_src_set_src on parallel set
- References: <bug-32761-507@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from rask at sygehus dot dk 2007-07-19 13:31 -------
Created an attachment (id=13939)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13939&action=view)
Test case for frv-unknown-elf with -O2 -g -mcpu=fr400
It breaks on frv-unknown-elf as well:
Program received signal SIGSEGV, Segmentation fault.
find_src_set_src (set=0xdf05a0, loc=0x2b2c3b921760, insn=<value optimized out>)
at /n/12/rask/src/all/gcc/var-tracking.c:1865
1865 if (REG_P (src))
(gdb) call debug_rtx(src)
(nil)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32761