diff options
Diffstat (limited to 'gcc/c-family/c.opt')
| -rw-r--r-- | gcc/c-family/c.opt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt index e146781..82c992c 100644 --- a/gcc/c-family/c.opt +++ b/gcc/c-family/c.opt @@ -462,6 +462,10 @@ Werror-implicit-function-declaration C ObjC RejectNegative Warning Alias(Werror=, implicit-function-declaration) This switch is deprecated; use -Werror=implicit-function-declaration instead. +Wextra +C ObjC C++ ObjC++ Warning +; in common.opt + Wfloat-conversion C ObjC C++ ObjC++ Var(warn_float_conversion) Warning LangEnabledBy(C ObjC C++ ObjC++,Wconversion) Warn for implicit type conversions that cause loss of floating point precision. @@ -536,6 +540,10 @@ Wimplicit C ObjC Var(warn_implicit) Warning LangEnabledBy(C ObjC,Wall) Warn about implicit declarations. +Wimplicit-fallthrough= +LangEnabledBy(C ObjC C++ ObjC++,Wextra,3,0) +; in common.opt + Wdouble-promotion C ObjC C++ ObjC++ Var(warn_double_promotion) Warning Warn about implicit conversions from \"float\" to \"double\". |