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📄 method-4.mm

📁 Mac OS X 10.4.9 for x86 Source Code gcc 实现源代码
💻 MM
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/* APPLE LOCAL file mainline *//* Warn about "slightly" mismatched method signatures if    -Wstrict-selector-match is on.  *//* { dg-do compile } *//* { dg-options "-Wstrict-selector-match" } */#include <objc/objc.h>@interface Base- (id) meth1: (Base *)arg1; /* { dg-warning "using .\\-\\(id\\)meth1:\\(Base \\*\\)arg1." } */- (id) window;              /* { dg-warning "using .\\-\\(id\\)window" } */@end@interface Derived: Base- (id) meth1: (Derived *)arg1; /* { dg-warning "also found .\\-\\(id\\)meth1:\\(Derived \\*\\)arg1." } */- (Base *) window;             /* { dg-warning "also found .\\-\\(Base \\*\\)window." } */@endvoid foo(void) {  id r;  [r meth1:r];  /* { dg-warning "multiple methods named .\\-meth1:. found" } */  [r window];   /* { dg-warning "multiple methods named .\\-window. found" } */}

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