From 8a308d45d57953297c37fe233b61a042cb563531 Mon Sep 17 00:00:00 2001 From: James E Wilson Date: Wed, 10 Mar 2004 06:04:14 +0000 Subject: [PATCH] Testsuite changes for new -Wstrict-aliasing=2 option. * gcc.dg/alias-1.c: Add "will" to string passed to dg-warning. * gcc.dg/alias-2.c: New testcase. From-SVN: r79223 --- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/alias-1.c | 2 +- gcc/testsuite/gcc.dg/alias-2.c | 16 ++++++++++++++++ 3 files changed, 22 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.dg/alias-2.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 362aba8bbc9..31baa1d1c43 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2004-03-09 James E Wilson + + * gcc.dg/alias-1.c: Add "will" to string passed to dg-warning. + * gcc.dg/alias-2.c: New testcase. + 2004-03-09 Zack Weinberg * gcc.dg/noncompile/incomplete-2.c: Move dg-error to proper line. diff --git a/gcc/testsuite/gcc.dg/alias-1.c b/gcc/testsuite/gcc.dg/alias-1.c index a723083672c..82dbc9efbf8 100644 --- a/gcc/testsuite/gcc.dg/alias-1.c +++ b/gcc/testsuite/gcc.dg/alias-1.c @@ -19,7 +19,7 @@ YYSTYPE addSibMacro( YYSTYPE list ) { - tDefEntry** ppT = (tDefEntry**)&list; // { dg-warning "type-punned pointer" "" } + tDefEntry** ppT = (tDefEntry**)&list; // { dg-warning "type-punned pointer will" "" } struct incomplete *p = (struct incomplete *)&list; // { dg-warning "type-punning to incomplete" "" } diff --git a/gcc/testsuite/gcc.dg/alias-2.c b/gcc/testsuite/gcc.dg/alias-2.c new file mode 100644 index 00000000000..d507416b0ff --- /dev/null +++ b/gcc/testsuite/gcc.dg/alias-2.c @@ -0,0 +1,16 @@ +// { dg-do compile } +// { dg-options "-Wstrict-aliasing=2 -fstrict-aliasing" } + +struct foo { + char c; + char d; + short s; + int i; +} bar; + +int +sub1 (long long int foobar) +{ + struct foo *tmp = (struct foo *) &foobar; // { dg-warning "type-punned pointer might" "" } + return tmp->i; +} -- 2.30.2