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| author | Joseph Myers <joseph@codesourcery.com> | 2008-08-30 00:30:18 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2008-08-30 00:30:18 +0100 |
| commit | 109e637b7b371beb86d14e0bcfb63e93ab72a4f4 (patch) | |
| tree | 32335413daebce13b9d8208c0a878230201efda1 /gcc | |
| parent | 3852d2bef61369090fbf7cdab2980b36e281f2b8 (diff) | |
| download | gcc-109e637b7b371beb86d14e0bcfb63e93ab72a4f4.zip gcc-109e637b7b371beb86d14e0bcfb63e93ab72a4f4.tar.gz gcc-109e637b7b371beb86d14e0bcfb63e93ab72a4f4.tar.bz2 | |
re PR bootstrap/37086 (GCC 3.4 miscompiles trunk (for cross compiling))
PR bootstrap/37086
* tree-vrp.c (find_switch_asserts): Make idx volatile for GCC
versions before 4.0.
From-SVN: r139792
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-vrp.c | 5 |
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e770abe..f8fcf7b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-08-29 Joseph Myers <joseph@codesourcery.com> + + PR bootstrap/37086 + * tree-vrp.c (find_switch_asserts): Make idx volatile for GCC + versions before 4.0. + 2008-08-29 Jan Hubicka <jh@suse.cz> * tree-inline.c (insert_init_stmt): Insert sequence even when diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index 7579ee1..348382e 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -4333,7 +4333,12 @@ find_switch_asserts (basic_block bb, gimple last) edge e; tree vec2; size_t n = gimple_switch_num_labels(last); +#if GCC_VERSION >= 4000 unsigned int idx; +#else + /* Work around GCC 3.4 bug (PR 37086). */ + volatile unsigned int idx; +#endif need_assert = false; bsi = gsi_for_stmt (last); |