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| author | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2009-07-07 22:18:35 +0000 |
|---|---|---|
| committer | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2009-07-07 22:18:35 +0000 |
| commit | d665b6e585efbb1d90b33f330a2cd967430c95a1 (patch) | |
| tree | bc411ee056cbc9d17c3e9d69c14e65d3779c178c /gcc/testsuite | |
| parent | 438c0fa8a04a3f11df33890b3d183f64fa181b55 (diff) | |
| download | gcc-d665b6e585efbb1d90b33f330a2cd967430c95a1.tar.gz | |
re PR c++/31246 (-Wunreachable-code warnings for compiler-generated code)
2009-07-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c++/31246
* gimplify.c (gimplify_expr): Propagate no_warning flag when
gimplifying.
* gimple (gimple_build_call_from_tree): Likewise.
* tree-cfg.c (remove_useless_stmts_warn_notreached): Check
no_warning flag before warning.
cp/
* init.c (build_new_1): Set TREE_NO_WARNING for compiler-generated
code.
* cp-gimplify.c (genericize_eh_spec_block): Likewise.
testsuite/
* g++.dg/warn/pr31246.C: New.
* g++.dg/warn/pr31246-2.C: New.
From-SVN: r149354
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/warn/pr31246-2.C | 9 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/warn/pr31246.C | 9 |
3 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3f35f440fd9..d063cbb38ad 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2009-07-08 Manuel López-Ibáñez <manu@gcc.gnu.org> + + PR c++/31246 + * g++.dg/warn/pr31246.C: New. + * g++.dg/warn/pr31246-2.C: New. + 2009-07-07 Jason Merrill <jason@redhat.com> PR c++/35828 diff --git a/gcc/testsuite/g++.dg/warn/pr31246-2.C b/gcc/testsuite/g++.dg/warn/pr31246-2.C new file mode 100644 index 00000000000..c9a4cae7e84 --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/pr31246-2.C @@ -0,0 +1,9 @@ +// PR 31246 +// { dg-do compile } +// { dg-options "-Wunreachable-code" } +#include <new> + +int* get_ptr(void* ptr) +{ + return new(ptr) int(); +} diff --git a/gcc/testsuite/g++.dg/warn/pr31246.C b/gcc/testsuite/g++.dg/warn/pr31246.C new file mode 100644 index 00000000000..f3603af4787 --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/pr31246.C @@ -0,0 +1,9 @@ +// PR 31246 +// { dg-do compile } +// { dg-options "-Wunreachable-code -D_GLIBCXX_DEBUG" } +#include <vector> + +int main() +{ + std::vector<int>::iterator a; +} |