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authorMark Mitchell <mark@codesourcery.com>2002-08-27 22:14:51 +0000
committerMark Mitchell <mmitchel@gcc.gnu.org>2002-08-27 22:14:51 +0000
commiteca7f13c6953706b97f6158dcef99f0566f1fbb5 (patch)
treeee767505882b4cd0b13a99e8d37e215ba2dcf0f5 /gcc/c-common.c
parentc350f8c1c479aabb1bd0a58f4072381d77daca77 (diff)
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c-common.c (warn_abi): New variable.
* c-common.c (warn_abi): New variable. * c-common.h (warn_abi): Likewise. * c-opts.c (COMMAND_LINE_OPTIONS): Add -Wabi. (c_common_decode_option): Handle it. * doc/invoke.texi:P Document -Wabi. * class.c (layout_virtual_bases): Warn about bugs in G++ that result in incorrect object layouts. (layout_class_type): Likewise. * testsuite/g++.dg/abi/bitfield5.C: New test. * testsuite/g++.dg/abi/vbase10.C: Likewise. From-SVN: r56618
Diffstat (limited to 'gcc/c-common.c')
-rw-r--r--gcc/c-common.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c
index 875cabc..913aec1 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -566,6 +566,11 @@ int flag_permissive;
int flag_enforce_eh_specs = 1;
+/* Nonzero means warn about things that will change when compiling
+ with an ABI-compliant compiler. */
+
+int warn_abi = 0;
+
/* Nonzero means warn about implicit declarations. */
int warn_implicit = 1;