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| author | Mark Mitchell <mark@codesourcery.com> | 2004-08-24 01:45:23 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 2004-08-24 01:45:23 +0000 |
| commit | a9b5a054c9f01420bb53f371cdc32ee622e12041 (patch) | |
| tree | c9d083c24be88a20dabd512ccffb4d44c044050a /gcc | |
| parent | 2e6ae27f33e22dd7781dafd2e27f319489613372 (diff) | |
| download | gcc-a9b5a054c9f01420bb53f371cdc32ee622e12041.zip gcc-a9b5a054c9f01420bb53f371cdc32ee622e12041.tar.gz gcc-a9b5a054c9f01420bb53f371cdc32ee622e12041.tar.bz2 | |
re PR rtl-optimization/16180 (gcc crashes when optimization is turned on)
PR c/16180
* jump.c (duplicate_loop_exit_test): If the location reached by
the unconditional jump at the top of the loop is outside the loop,
then do not treat it as the exit test.
PR c/16180
* gcc.dg/loop-5.c: New test.
From-SVN: r86459
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/loop-5.c | 16 |
2 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 617aee6..7a3fde2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2004-08-23 Mark Mitchell <mark@codesourcery.com> + + PR c/16180 + * gcc.dg/loop-5.c: New test. + 2004-08-23 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> * gcc.c-torture/execute/20040823-1.c: New test. diff --git a/gcc/testsuite/gcc.dg/loop-5.c b/gcc/testsuite/gcc.dg/loop-5.c new file mode 100644 index 0000000..198823b --- /dev/null +++ b/gcc/testsuite/gcc.dg/loop-5.c @@ -0,0 +1,16 @@ +/* PR c/16180 */ +/* { dg-options "-O2" } */ + +extern int b; +int foo (int a) +{ + if (a) + { + b = 0; + for(;;) + goto L; + } + L: + for(;;) + return 0; +} |