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| author | Mark Mitchell <mark@codesourcery.com> | 2004-08-24 02:10:12 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 2004-08-24 02:10:12 +0000 |
| commit | c3f216e234fe475b33532d5ac54dbde1aaa67a05 (patch) | |
| tree | 457de2a6db5484f9007c589e6f24dac1017aab1e /gcc | |
| parent | a9b5a054c9f01420bb53f371cdc32ee622e12041 (diff) | |
| download | gcc-c3f216e234fe475b33532d5ac54dbde1aaa67a05.zip gcc-c3f216e234fe475b33532d5ac54dbde1aaa67a05.tar.gz gcc-c3f216e234fe475b33532d5ac54dbde1aaa67a05.tar.bz2 | |
re PR debug/14492 (loc_descriptor_from_tree, in dwarf2out.c:9031)
PR c/14492
* dwarf2out.c (loc_descriptor_from_tree): Robustify.
PR c/14492
* gcc.dg/debug/crash1.c: New test.
From-SVN: r86461
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/debug/crash1.c | 8 |
4 files changed, 24 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0667a1a..89100e9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-08-23 Mark Mitchell <mark@codesourcery.com> + + PR c/14492 + * dwarf2out.c (loc_descriptor_from_tree): Robustify. + 2004-08-23 Diego Novillo <dnovillo@redhat.com> * cfg.c (check_bb_profile): Fix typos. diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 4d9a1b2..02cbef3 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -9244,9 +9244,15 @@ loc_descriptor_from_tree_1 (tree loc, int want_address) >= (unsigned int) LAST_AND_UNUSED_TREE_CODE) return 0; +#ifdef ENABLE_CHECKING /* Otherwise this is a generic code; we should just lists all of these explicitly. Aborting means we forgot one. */ abort (); +#else + /* In a release build, we want to degrade gracefully: better to + generate incomplete debugging information than to crash. */ + return NULL; +#endif } /* Show if we can't fill the request for an address. */ diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 7a3fde2..5c68863 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2004-08-23 Mark Mitchell <mark@codesourcery.com> + PR c/14492 + * gcc.dg/debug/crash1.c: New test. + +2004-08-23 Mark Mitchell <mark@codesourcery.com> + PR c/16180 * gcc.dg/loop-5.c: New test. diff --git a/gcc/testsuite/gcc.dg/debug/crash1.c b/gcc/testsuite/gcc.dg/debug/crash1.c new file mode 100644 index 0000000..259e259 --- /dev/null +++ b/gcc/testsuite/gcc.dg/debug/crash1.c @@ -0,0 +1,8 @@ +/* PR c/14492 */ +/* { dg-options "" } */ + +int main() { + double d = 1.0; + char x[(int) d]; + return 0; +} |