Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/g++.dg/cpp1y/lambda-mangle-1.C @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/g++.dg/cpp1y/lambda-mangle-1.C Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,88 @@ +// { dg-do compile { target c++14 } } + +// PRs 78621 + +// We erroneously mangled lambda auto parms as-if template parameters (T<n>_), +// rather than auto (Da). Fixed in abi version 11 + +template<typename T> class X; + +template<typename T> +T &&forward (T &v) +{ + return static_cast<T &&> (v); +} + +template<typename T> +void eat (T &v) +{ +} + +template<typename S, typename T> + void eat (S &, T &v) +{ +} + +void Foo () +{ + auto lam = [](auto &) { }; + auto lam_1 = [](int &, auto &) { }; + auto lam_2 = [](auto &, X<int> &) { }; + auto lam_3 = [](auto (*)[5]) { }; + + forward (lam); + forward (lam_1); + forward (lam_2); + forward (lam_3); + + eat (lam); + eat (lam_1); + eat (lam_2); + eat (lam_3); + + // The auto lambda should mangle similarly to the non-auto one + auto lambda_1 = [](float *, float *) { }; + auto lambda_2 = [](auto *, auto *) { }; + auto lambda_3 = [](auto *, auto *) { }; + + int *i; + + eat (i, lambda_1); + eat (i, lambda_2); + + // The autos should squangle to the first one. + eat (lambda_2, lambda_3); +} + +template<typename X> void Bar () +{ + auto lambda_1 = [](X *, float *, float *) { }; + auto lambda_2 = [](X *, auto *, auto *) { }; + auto lambda_3 = [](X *, auto *...) {}; + + int *i; + + eat (i, lambda_1); + eat (i, lambda_2); + eat (i, lambda_3); +} + +void Baz () +{ + Bar<short> (); +} + +// { dg-final { scan-assembler "_Z7forwardIZ3FoovEUlRT_E_EOS0_S1_:" } } +// { dg-final { scan-assembler "_Z7forwardIZ3FoovEUlRiRT_E0_EOS1_S2_:" } } +// { dg-final { scan-assembler "_Z7forwardIZ3FoovEUlRT_R1XIiEE1_EOS0_S1_:" } } +// { dg-final { scan-assembler "_Z7forwardIZ3FoovEUlPA5_T_E2_EOS0_RS0_:" } } +// { dg-final { scan-assembler "_Z3eatIZ3FoovEUlRT_E_EvS1_:" } } +// { dg-final { scan-assembler "_Z3eatIZ3FoovEUlRiRT_E0_EvS2_:" } } +// { dg-final { scan-assembler "_Z3eatIZ3FoovEUlRT_R1XIiEE1_EvS1_:" } } +// { dg-final { scan-assembler "_Z3eatIZ3FoovEUlPA5_T_E2_EvRS0_:" } } +// { dg-final { scan-assembler "_Z3eatIPiZ3FoovEUlPfS1_E3_EvRT_RT0_:" } } +// { dg-final { scan-assembler "_Z3eatIPiZ3FoovEUlPT_PT0_E4_EvRS1_RS3_:" } } +// { dg-final { scan-assembler "_Z3eatIZ3FoovEUlPT_PT0_E4_Z3FoovEUlS1_S3_E5_EvRS0_RS2_:" } } +// { dg-final { scan-assembler "_Z3eatIPiZ3BarIsEvvEUlPsPfS3_E_EvRT_RT0_:" } } +// { dg-final { scan-assembler "_Z3eatIPiZ3BarIsEvvEUlPsPT_PT0_E0_EvRS3_RS5_:" } } +// { dg-final { scan-assembler "_Z3eatIPiZ3BarIsEvvEUlPsPT_zE1_EvRS3_RT0_:" } }