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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-05-16 23:18:29 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-05-16 23:18:29 +0000 |
| commit | 40175f70b0e3a6ecc82cd5601ec12c49b1f5b354 (patch) | |
| tree | 50d7960821ec80bd6136c7a2e9106406f64e8633 /gcc/common.opt | |
| parent | 17223f318bbd597b8bf71b8bd3cbbdd8ee3773ea (diff) | |
| download | gcc-40175f70b0e3a6ecc82cd5601ec12c49b1f5b354.tar.gz | |
* ipa-utils.h (warn_types_mismatch, odr_or_derived_type_p,
odr_types_equivalent_p): Declare.
(odr_type_p): Use gcc_checking_assert.
(type_in_anonymous_namespace_p) Declare.
(type_with_linkage_p): Declare.
* common.opt (Wlto-type-mismatch): New warning.
* ipa-devirt.c (compound_type_base): New function.
(odr_or_derived_type_p): New function.
(odr_types_equivalent_p): New function.
(add_type_duplicate): Simplify.
(type_with_linkage_p): Add hack to prevent false positives on C types
(type_in_anonymous_namespace_p): Likewise.
* tree.c (need_assembler_name_p): Use type_with_linkage.
* tree.h (type_in_anonymous_namespace_p): Remove.
* doc/invoke.texi (-Wlto-type-mismatch): Document
* lto-symtab.c (warn_type_compatibility_p): Break out from ...;
compare ODR types (if available) and function types.
(lto_symtab_merge): ... here; output ODR violation warnings
and call warn_types_mismatch.
* gfortran.dg/lto/20091028-2_1.c: Fix return value.
* gfortran.dg/lto/pr41576_1.f90: Add interface.
* gfortran.dg/lto/pr41521_0.f90: Disable lto-type-mismatch
* gfortran.dg/lto/pr60635_0.f90: Disable lto-type-mismatch.
* gfortran.dg/lto/20091028-1_1.c: Fix return type.
* gcc.dg/lto/20120723_0.c: Disbale lto-type-mismatch.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@223258 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/common.opt')
| -rw-r--r-- | gcc/common.opt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/common.opt b/gcc/common.opt index 859488f7a1c..562d34a05ae 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -607,6 +607,10 @@ Woverflow Common Var(warn_overflow) Init(1) Warning Warn about overflow in arithmetic expressions +Wlto-type-mismatch +Common Var(warn_lto_type_mismatch) Init(1) Warning +During link time optimization warn about mismatched types of global declarations + Wpacked Common Var(warn_packed) Warning Warn when the packed attribute has no effect on struct layout |