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[Bug debug/45531] New: -fcompare-debug failure with -fvar-tracking-uninit, codegen differences
- From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Sep 2010 23:51:19 -0000
- Subject: [Bug debug/45531] New: -fcompare-debug failure with -fvar-tracking-uninit, codegen differences
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
Compiler output:
$ gcc -fvar-tracking-uninit -fcompare-debug testcase.c
testcase.c:1:0: warning: variable tracking requested, but useless unless
producing debug info [enabled by default]
gcc: error: testcase.c: -fcompare-debug failure (length)
The failure appears with -g as well, but the warning isn't shown in that case.
Tested revisions:
r163636 - fail
r153685 - fail
--
Summary: -fcompare-debug failure with -fvar-tracking-uninit,
codegen differences
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: zsojka at seznam dot cz
GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45531