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| author | Roger Sayle <roger@eyesopen.com> | 2005-12-06 14:00:09 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2005-12-06 14:00:09 +0000 |
| commit | 9116d529f6d79990fc5b7315f9f905f9d2ec6fb7 (patch) | |
| tree | 0eb762891764cfb8cb423cefc2632ddc553ab720 /gcc | |
| parent | c0328823536bcf18bcff02f3f6bf503da93a5dfb (diff) | |
| download | gcc-9116d529f6d79990fc5b7315f9f905f9d2ec6fb7.zip gcc-9116d529f6d79990fc5b7315f9f905f9d2ec6fb7.tar.gz gcc-9116d529f6d79990fc5b7315f9f905f9d2ec6fb7.tar.bz2 | |
re PR c++/25263 (ICE on invalid array bound: int x[1/0];)
PR c++/25263
* decl.c (compute_array_index_type): Check that itype is an
INTEGER_CST node before testing/clearing TREE_OVERFLOW.
* g++.dg/other/array2.C: New test case.
From-SVN: r108119
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/decl.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/other/array2.C | 6 |
4 files changed, 19 insertions, 1 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 36642eb..82b99cb 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2005-12-06 Roger Sayle <roger@eyesopen.com> + + PR c++/25263 + * decl.c (compute_array_index_type): Check that itype is an + INTEGER_CST node before testing/clearing TREE_OVERFLOW. + 2005-12-05 Daniel Berlin <dberlin@dberlin.org> * ptree.c (cxx_print_decl): Update to check for decl_common diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c index ca2e221..b5f89fc 100644 --- a/gcc/cp/decl.c +++ b/gcc/cp/decl.c @@ -6374,7 +6374,8 @@ compute_array_index_type (tree name, tree size) /* Make sure that there was no overflow when creating to a signed index type. (For example, on a 32-bit machine, an array with size 2^32 - 1 is too big.) */ - else if (TREE_OVERFLOW (itype)) + else if (TREE_CODE (itype) == INTEGER_CST + && TREE_OVERFLOW (itype)) { error ("overflow in array dimension"); TREE_OVERFLOW (itype) = 0; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 490996b..6c16c7d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2005-12-06 Roger Sayle <roger@eyesopen.com> + + PR c++/25263 + * g++.dg/other/array2.C: New test case. + 2005-12-05 Geoffrey Keating <geoffk@apple.com> * gcc.dg/darwin-weakimport-3.c: New. diff --git a/gcc/testsuite/g++.dg/other/array2.C b/gcc/testsuite/g++.dg/other/array2.C new file mode 100644 index 0000000..b091d96 --- /dev/null +++ b/gcc/testsuite/g++.dg/other/array2.C @@ -0,0 +1,6 @@ +// PR c++/25263 +// { dg-do compile } + +int x[1/0]; // { dg-warning "division by zero" } + // { dg-error "constant" "constant" { target *-*-* } 4 } + |