diff options
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index 9706d874456..f3de12a7359 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -443,11 +443,6 @@ int flag_use_cxa_atexit = DEFAULT_USE_CXA_ATEXIT; int flag_use_cxa_get_exception_ptr = 2; -/* Nonzero means make the default pedwarns warnings instead of errors. - The value of this flag is ignored if -pedantic is specified. */ - -int flag_permissive; - /* Nonzero means to implement standard semantics for exception specifications, calling unexpected if an exception is thrown that doesn't match the specification. Zero means to treat them as @@ -927,14 +922,25 @@ fix_string_type (tree value) void constant_expression_warning (tree value) { + if (warn_overflow && pedantic + && (TREE_CODE (value) == INTEGER_CST || TREE_CODE (value) == REAL_CST + || TREE_CODE (value) == FIXED_CST + || TREE_CODE (value) == VECTOR_CST + || TREE_CODE (value) == COMPLEX_CST) + && TREE_OVERFLOW (value)) + pedwarn ("overflow in constant expression"); +} + +/* The same as above but print an unconditional error. */ +void +constant_expression_error (tree value) +{ if ((TREE_CODE (value) == INTEGER_CST || TREE_CODE (value) == REAL_CST || TREE_CODE (value) == FIXED_CST || TREE_CODE (value) == VECTOR_CST || TREE_CODE (value) == COMPLEX_CST) - && TREE_OVERFLOW (value) - && warn_overflow - && pedantic) - pedwarn ("overflow in constant expression"); + && TREE_OVERFLOW (value)) + error ("overflow in constant expression"); } /* Print a warning if an expression had overflow in folding and its |