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| author | Richard Guenther <rguenther@suse.de> | 2008-01-21 09:34:19 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-01-21 09:34:19 +0000 |
| commit | 02dcf7badb93cc064051e6719746293987eeb662 (patch) | |
| tree | 6f554d4813d2c8677f8ccb321f6fad2ad910ca4e /gcc/cp/error.c | |
| parent | b158b5c6aa0a3773622552c165ee88ebc31ab004 (diff) | |
| download | gcc-02dcf7badb93cc064051e6719746293987eeb662.zip gcc-02dcf7badb93cc064051e6719746293987eeb662.tar.gz gcc-02dcf7badb93cc064051e6719746293987eeb662.tar.bz2 | |
re PR c++/34850 (Recursive BLOCK tree causes compilation to hang during diagnostics)
2008-01-21 Richard Guenther <rguenther@suse.de>
PR c++/34850
cp/
* error.c (cp_print_error_function): Deal with recursive
BLOCK trees.
* g++.dg/torture/pr34850.C: New testcase.
From-SVN: r131690
Diffstat (limited to 'gcc/cp/error.c')
| -rw-r--r-- | gcc/cp/error.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/cp/error.c b/gcc/cp/error.c index 41a83bf..94f108e 100644 --- a/gcc/cp/error.c +++ b/gcc/cp/error.c @@ -2424,7 +2424,9 @@ cp_print_error_function (diagnostic_context *context, { ao = BLOCK_ABSTRACT_ORIGIN (block); - while (TREE_CODE (ao) == BLOCK && BLOCK_ABSTRACT_ORIGIN (ao)) + while (TREE_CODE (ao) == BLOCK + && BLOCK_ABSTRACT_ORIGIN (ao) + && BLOCK_ABSTRACT_ORIGIN (ao) != ao) ao = BLOCK_ABSTRACT_ORIGIN (ao); if (TREE_CODE (ao) == FUNCTION_DECL) |