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| author | Richard Guenther <rguenther@suse.de> | 2011-12-08 08:50:35 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-12-08 08:50:35 +0000 |
| commit | c37257a1f686bdd260a2edc445f8b3f24dceec2e (patch) | |
| tree | 704e59c3933823639810c63e24aef23672bd795e /gcc | |
| parent | a633b93ea34210dcb8ce06c7bfb3df8efd7c3fbc (diff) | |
| download | gcc-c37257a1f686bdd260a2edc445f8b3f24dceec2e.zip gcc-c37257a1f686bdd260a2edc445f8b3f24dceec2e.tar.gz gcc-c37257a1f686bdd260a2edc445f8b3f24dceec2e.tar.bz2 | |
re PR lto/48437 (LTO crashes with block-local function declarations)
2011-12-08 Richard Guenther <rguenther@suse.de>
PR lto/48437
* lto-streamer-out.c (tree_is_indexable): Exclude block-local
extern declarations.
* gcc.dg/lto/20111207-2_0.c: New testcase.
* gcc.dg/guality/pr48437.c: Likewise.
From-SVN: r182100
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/lto-streamer-out.c | 10 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/guality/pr48437.c | 17 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/lto/20111207-2_0.c | 17 |
5 files changed, 56 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5d50a19..325c1e0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-12-08 Richard Guenther <rguenther@suse.de> + + PR lto/48437 + * lto-streamer-out.c (tree_is_indexable): Exclude block-local + extern declarations. + 2011-12-07 Andrew Pinski <apinski@cavium.com> PR middle-end/45416 diff --git a/gcc/lto-streamer-out.c b/gcc/lto-streamer-out.c index 62cf9a1..655cf89 100644 --- a/gcc/lto-streamer-out.c +++ b/gcc/lto-streamer-out.c @@ -129,6 +129,16 @@ tree_is_indexable (tree t) else if (TREE_CODE (t) == VAR_DECL && decl_function_context (t) && !TREE_STATIC (t)) return false; + /* If this is a decl generated for block local externs for + debug info generation, stream it unshared alongside BLOCK_VARS. */ + else if (VAR_OR_FUNCTION_DECL_P (t) + /* ??? The following tests are a literal match on what + c-decl.c:pop_scope does. */ + && TREE_PUBLIC (t) + && DECL_EXTERNAL (t) + && DECL_CONTEXT (t) + && TREE_CODE (DECL_CONTEXT (t)) == FUNCTION_DECL) + return false; else return (TYPE_P (t) || DECL_P (t) || TREE_CODE (t) == SSA_NAME); } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 31b2d2e..ededf04 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2011-12-08 Richard Guenther <rguenther@suse.de> + + PR lto/48437 + * gcc.dg/lto/20111207-2_0.c: New testcase. + * gcc.dg/guality/pr48437.c: Likewise. + 2011-12-07 Jakub Jelinek <jakub@redhat.com> PR c++/51401 diff --git a/gcc/testsuite/gcc.dg/guality/pr48437.c b/gcc/testsuite/gcc.dg/guality/pr48437.c new file mode 100644 index 0000000..5346baa --- /dev/null +++ b/gcc/testsuite/gcc.dg/guality/pr48437.c @@ -0,0 +1,17 @@ +/* PR lto/48437 */ +/* { dg-do run } */ +/* { dg-options "-g" } */ + +#include "../nop.h" + +int i __attribute__((used)); +int main() +{ + volatile int i; + for (i = 3; i < 7; ++i) + { + extern int i; + asm volatile (NOP : : : "memory"); /* { dg-final { gdb-test 14 "i" "0" } } */ + } + return 0; +} diff --git a/gcc/testsuite/gcc.dg/lto/20111207-2_0.c b/gcc/testsuite/gcc.dg/lto/20111207-2_0.c new file mode 100644 index 0000000..672db53 --- /dev/null +++ b/gcc/testsuite/gcc.dg/lto/20111207-2_0.c @@ -0,0 +1,17 @@ +/* { dg-lto-do run } */ + +int +test (void) +{ + int f (void); + return 0; +} + +int +main (void) +{ + int f (void); + int test (void); + + return test (); +} |