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c++: ICE with -fno-exceptions and array init [PR107198]

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The removed line no longer has an effect on anew5.C error recovery, and
removing it improves error recovery for this testcase.

	PR c++/107198

gcc/cp/ChangeLog:

	* typeck2.cc (process_init_constructor_array): Use VEC_INIT_EXPR
	regardless of seen_error.

gcc/testsuite/ChangeLog:

	* g++.dg/eh/no-exceptions1.C: New test.
This commit is contained in:
Jason Merrill 2023-09-07 05:15:01 -04:00
parent 27e2e7c93e
commit ea5abbb263
2 changed files with 19 additions and 1 deletions
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1
gcc/cp/typeck2.cc
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@ -1683,7 +1683,6 @@ process_init_constructor_array (tree type, tree init, int nested, int flags,
if (next)
{
if (next != error_mark_node
&& ! seen_error () // Improves error-recovery on anew5.C.
&& (initializer_constant_valid_p (next, TREE_TYPE (next))
!= null_pointer_node))
{

19
gcc/testsuite/g++.dg/eh/no-exceptions1.C Normal file
View file

@ -0,0 +1,19 @@
// PR c++/107198
// { dg-additional-options -fno-exceptions }
struct A {
A() { throw 0; } // { dg-error disabled }
A(int i) { throw i; }
A(const A&) { throw 10; }
};
void try_idx (int i)
{
int t = 10;
try {
struct X {
A e1[2], e2;
}
x2[3] = { { 1, 2, 3 }, { 4, 5, 6 } };
} catch (int x) { t = x; } // { dg-prune-output "not declared" }
}