diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/include/clang/Driver/Options.td | 3 | ||||
| -rw-r--r-- | clang/test/Misc/backend-stack-frame-diagnostics.cpp | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td index f9cb6168674..d25aaa6e73c 100644 --- a/clang/include/clang/Driver/Options.td +++ b/clang/include/clang/Driver/Options.td @@ -862,10 +862,11 @@ def Wlarge_by_value_copy_def : Flag<["-"], "Wlarge-by-value-copy">, "in bytes than a given value">, Flags<[HelpHidden]>; def Wlarge_by_value_copy_EQ : Joined<["-"], "Wlarge-by-value-copy=">, Flags<[CC1Option]>; +// These "special" warning flags are effectively processed as f_Group flags by the driver: // Just silence warnings about -Wlarger-than for now. def Wlarger_than_EQ : Joined<["-"], "Wlarger-than=">, Group<clang_ignored_f_Group>; def Wlarger_than_ : Joined<["-"], "Wlarger-than-">, Alias<Wlarger_than_EQ>; -def Wframe_larger_than_EQ : Joined<["-"], "Wframe-larger-than=">, Flags<[DriverOption]>; +def Wframe_larger_than_EQ : Joined<["-"], "Wframe-larger-than=">, Group<f_Group>, Flags<[DriverOption]>; def : Flag<["-"], "fterminated-vtables">, Alias<fapple_kext>; def fthreadsafe_statics : Flag<["-"], "fthreadsafe-statics">, Group<f_Group>; diff --git a/clang/test/Misc/backend-stack-frame-diagnostics.cpp b/clang/test/Misc/backend-stack-frame-diagnostics.cpp index 4694299f401..1d865e7646e 100644 --- a/clang/test/Misc/backend-stack-frame-diagnostics.cpp +++ b/clang/test/Misc/backend-stack-frame-diagnostics.cpp @@ -6,6 +6,10 @@ // * The driver passes the option through to the backend. // * The frontend diagnostic handler 'demangles' and resolves the correct function definition. +// Test that link invocations don't emit an "argument unused during compilation" diagnostic. +// RUN: touch %t.o +// RUN: %clang -Werror -Wframe-larger-than=0 %t.o -### 2>&1 | not grep ' error: ' + // TODO: Support rich backend diagnostics for Objective-C methods. // Backend diagnostics aren't suppressed in system headers because such results |
