1da13237a4
Summary: I agree with https://easyaspi314.github.io/gcc-vs-clang.html?fbclid=IwAR1VA0qxiWVUusOQUv5z7JESS7ZpeJy-UqAI5mnJscofGLqXcqeErIUB2gU, current warning message is not very good. We should try to improve it.. Reviewers: rsmith, aaron.ballman, easyaspi314 Reviewed By: aaron.ballman Subscribers: arphaman, Quuxplusone, mehdi_amini, hiraditya, cfe-commits, llvm-commits Tags: #clang, #llvm Differential Revision: https://reviews.llvm.org/D69762
57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
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// Check that analysis-based warnings work in lambda bodies.
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void analysis_based_warnings() {
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(void)[]() -> int { }; // expected-warning{{non-void lambda does not return a value}}
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}
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// Check that we get the right types of captured variables (the
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// semantic-analysis part of p7).
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int &check_const_int(int&);
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float &check_const_int(const int&);
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void test_capture_constness(int i, const int ic) {
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(void)[i,ic] ()->void {
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float &fr1 = check_const_int(i);
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float &fr2 = check_const_int(ic);
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};
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(void)[=] ()->void {
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float &fr1 = check_const_int(i);
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float &fr2 = check_const_int(ic);
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};
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(void)[i,ic] () mutable ->void {
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int &ir = check_const_int(i);
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float &fr = check_const_int(ic);
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};
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(void)[=] () mutable ->void {
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int &ir = check_const_int(i);
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float &fr = check_const_int(ic);
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};
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(void)[&i,&ic] ()->void {
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int &ir = check_const_int(i);
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float &fr = check_const_int(ic);
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};
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(void)[&] ()->void {
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int &ir = check_const_int(i);
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float &fr = check_const_int(ic);
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};
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}
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struct S1 {
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int x, y;
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S1 &operator=(int*);
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int operator()(int);
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void f() {
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[&]()->int {
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S1 &s1 = operator=(&this->x);
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return operator()(this->x + y);
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}();
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}
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};
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