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testsuite: fix anon6 mangling [PR112846]

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As with r14-6796-g2fa122cae50cd8, avoid mangling compatibility aliases in
mangling tests, and test the new mangling.

	PR c++/112846

gcc/testsuite/ChangeLog:

	* g++.dg/abi/anon6.C: Specify ABI v18.
	* g++.dg/abi/anon6a.C: New test for ABI v19.
This commit is contained in:
Jason Merrill 2024-01-30 12:07:21 -05:00
parent dd7aa986fd
commit 209fc1e5f6
2 changed files with 21 additions and 0 deletions
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1
gcc/testsuite/g++.dg/abi/anon6.C
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@ -1,5 +1,6 @@
// PR c++/108566
// { dg-do compile { target c++20 } }
// { dg-additional-options "-fabi-version=18 -fabi-compat-version=18" }
template<typename T>
struct wrapper1 {

20
gcc/testsuite/g++.dg/abi/anon6a.C Normal file
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@ -0,0 +1,20 @@
// PR c++/108566
// { dg-do compile { target c++20 } }
// { dg-additional-options "-fabi-compat-version=0" }
template<typename T>
struct wrapper1 {
union {
union {
T RightName;
};
};
};
template<auto tparam> void dummy(){}
void uses() {
dummy<wrapper1<double>{123.0}>();
}
// { dg-final { scan-assembler "_Z5dummyITnDaXtl8wrapper1IdEtlNS1_Ut_Edi9RightNametlNS2_Ut_Edi9RightNameLd405ec00000000000EEEEEEvv" } }