Commit 775e055b59366f60badfb77a420219691846314b | zig

Closes #12624

2 files changed, 32 insertions(+), 0 deletions(-)

src/Sema.zig+2

...	@@ -6713,6 +6713,8 @@ fn instantiateGenericCall(	...	@@ -6713,6 +6713,8 @@ fn instantiateGenericCall(
6713	.comptime_args_fn_inst = module_fn.zir_body_inst,	6713	.comptime_args_fn_inst = module_fn.zir_body_inst,
6714	.preallocated_new_func = new_module_func,	6714	.preallocated_new_func = new_module_func,
6715	.is_generic_instantiation = true,	6715	.is_generic_instantiation = true,
		6716	.branch_quota = sema.branch_quota,
		6717	.branch_count = sema.branch_count,
6716	};	6718	};
6717	defer child_sema.deinit();	6719	defer child_sema.deinit();
6718		6720

test/cases/compile_errors/generic_funciton_instantiation_inherits_parent_branch_quota.zig created+30

...	@@ -0,0 +1,30 @@
1	pub export fn entry1() void {
2	@setEvalBranchQuota(1001);
3	// Return type evaluation should inherit both the
4	// parent's branch quota and count meaning
5	// at least 2002 backwards branches are required.
6	comptime var i = 0;
7	inline while (i < 1000) : (i += 1) {}
8	_ = simple(10);
9	}
10	pub export fn entry2() void {
11	@setEvalBranchQuota(2001);
12	comptime var i = 0;
13	inline while (i < 1000) : (i += 1) {}
14	_ = simple(10);
15	}
16	fn simple(comptime n: usize) Type(n) {
17	return n;
18	}
19	fn Type(comptime n: usize) type {
20	if (n <= 1) return usize;
21	return Type(n - 1);
22	}
23
24	// error
25	// backend=stage2
26	// target=native
27	//
28	// :21:16: error: evaluation exceeded 1001 backwards branches
29	// :21:16: note: use @setEvalBranchQuota() to raise the branch limit from 1001
30	// :16:34: note: called from here