c70fe353ea
only add 'const' for variables captured by copy in potentially evaluated expressions of non-mutable lambdas. (The "by copy" part was missing). llvm-svn: 150088
46 lines
1.5 KiB
C++
46 lines
1.5 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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[]() -> int { }; // expected-warning{{control reaches end of non-void function}} \
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// expected-error{{lambda expressions are not supported yet}}
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}
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// Check that we get the right types of captured variables (the semantic-analysis part of
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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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[i,ic] ()->void { // expected-error{{lambda expressions are not supported yet}}
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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 { // expected-error{{lambda expressions are not supported yet}}
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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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[i,ic] () mutable ->void { // expected-error{{lambda expressions are not supported yet}}
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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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[=] () mutable ->void { // expected-error{{lambda expressions are not supported yet}}
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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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[&i,&ic] ()->void { // expected-error{{lambda expressions are not supported yet}}
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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 { // expected-error{{lambda expressions are not supported yet}}
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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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