diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce-ext-neg2.C')
-rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce-ext-neg2.C | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce-ext-neg2.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce-ext-neg2.C new file mode 100644 index 000000000..a236e6d11 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce-ext-neg2.C @@ -0,0 +1,22 @@ +// Test that in pedantic mode, we warn about the extension to allow return +// type deduction when the lambda contains more than just a single +// return-statement. + +// { dg-options "-std=c++0x -pedantic" } + +bool b; +template <class T> +T f (T t) +{ + [=] { return t+1; }; // OK + return [=] { + auto i = t+1; + return i+1; // { dg-warning "only statement" } + }(); +} + +int main() +{ + if (f(1) != 3) + return 1; +} |