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| author | Jakub Jelinek <jakub@redhat.com> | 2009-11-02 14:55:41 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2009-11-02 14:55:41 +0100 |
| commit | 0fba566cb567299df25de935cab71547a8965af4 (patch) | |
| tree | 95b320c9be579d0497655d70349fd739c7e30186 /gcc | |
| parent | 9789ba46f6c647ed2f893c8785585338b30c9847 (diff) | |
| download | gcc-0fba566cb567299df25de935cab71547a8965af4.zip gcc-0fba566cb567299df25de935cab71547a8965af4.tar.gz gcc-0fba566cb567299df25de935cab71547a8965af4.tar.bz2 | |
re PR debug/41893 (ICE with -combine and debug)
PR debug/41893
* cfgexpand.c (expand_debug_expr): Don't attempt to create DECL_RTL
for a VOIDmode variable.
* gcc.dg/debug/pr41893-1.c: New test.
* gcc.dg/debug/pr41893-2.c: New file.
From-SVN: r153806
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cfgexpand.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/debug/pr41893-1.c | 13 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/debug/pr41893-2.c | 10 |
5 files changed, 33 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 721c69e..f18488d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2009-11-02 Jakub Jelinek <jakub@redhat.com> + PR debug/41893 + * cfgexpand.c (expand_debug_expr): Don't attempt to create DECL_RTL + for a VOIDmode variable. + PR c++/41774 * c-pragma.c (visstack): Change into vector of ints rather than enum symbol_visibility. diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index 33e7579..cfb4d17 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -2349,7 +2349,8 @@ expand_debug_expr (tree exp) || DECL_EXTERNAL (exp) || !TREE_STATIC (exp) || !DECL_NAME (exp) - || DECL_HARD_REGISTER (exp)) + || DECL_HARD_REGISTER (exp) + || mode == VOIDmode) return NULL; op0 = DECL_RTL (exp); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index dd49956..09bf48c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2009-11-02 Jakub Jelinek <jakub@redhat.com> + PR debug/41893 + * gcc.dg/debug/pr41893-1.c: New test. + * gcc.dg/debug/pr41893-2.c: New file. + PR c++/41774 * g++.dg/ext/visibility/namespace3.C: New test. diff --git a/gcc/testsuite/gcc.dg/debug/pr41893-1.c b/gcc/testsuite/gcc.dg/debug/pr41893-1.c new file mode 100644 index 0000000..54a31fb --- /dev/null +++ b/gcc/testsuite/gcc.dg/debug/pr41893-1.c @@ -0,0 +1,13 @@ +/* PR debug/41893 */ +/* { dg-do compile } */ +/* { dg-options "-combine -fwhole-program -O" } */ +/* { dg-additional-sources "pr41893-2.c" } */ + +struct S { int v; }; +struct S s; + +void __attribute__((externally_visible)) +func1 (void) +{ + struct S *p = &s; +} diff --git a/gcc/testsuite/gcc.dg/debug/pr41893-2.c b/gcc/testsuite/gcc.dg/debug/pr41893-2.c new file mode 100644 index 0000000..f967875 --- /dev/null +++ b/gcc/testsuite/gcc.dg/debug/pr41893-2.c @@ -0,0 +1,10 @@ +/* PR debug/41893 */ +/* { dg-do compile } */ + +extern struct S s; + +void +func2 (void) +{ + &s; +} |