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Date: Sun, 28 Feb 2010 15:21:00 -0000
Subject: [Bug lto/43212]  New: [LTO] error: control flow in the middle of basic block
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From: "d dot g dot gorbachev at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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======================== 1.c ========================
extern void baz(void);

void foo(void)
{
  baz();
}
======================== 2.c ========================
extern __attribute__((__noreturn__)) void baz(void);

void bar(void)
{
  baz();
}
=====================================================
$ gcc -r -nostdlib -O2 -flto 1.c 2.c

In file included from :0:0:
1.c: In function 'foo':
1.c:3:6: error: control flow in the middle of basic block 2
1.c:3:6: internal compiler error: verify_flow_info failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: /usr/local/bin/i686-pc-linux-gnu-gcc-4.5.0 returned 1 exit status
collect2: lto-wrapper returned 1 exit status


-- 
           Summary: [LTO] error: control flow in the middle of basic block
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: d dot g dot gorbachev at gmail dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43212