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fix null debug info for 0-length array type

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closes #702
This commit is contained in:
Andrew Kelley 2018-01-18 15:08:20 -05:00
parent 0aae96b5f0
commit 0b8f19fcba
2 changed files with 12 additions and 1 deletions
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5
src/analyze.cpp
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@ -609,7 +609,10 @@ TypeTableEntry *get_array_type(CodeGen *g, TypeTableEntry *child_type, uint64_t
buf_resize(&entry->name, 0); buf_resize(&entry->name, 0);
buf_appendf(&entry->name, "[%" ZIG_PRI_u64 "]%s", array_size, buf_ptr(&child_type->name)); buf_appendf(&entry->name, "[%" ZIG_PRI_u64 "]%s", array_size, buf_ptr(&child_type->name));
if (!entry->zero_bits) { if (entry->zero_bits) {
entry->di_type = ZigLLVMCreateDebugArrayType(g->dbuilder, 0,
0, child_type->di_type, 0);
} else {
entry->type_ref = child_type->type_ref ? LLVMArrayType(child_type->type_ref, entry->type_ref = child_type->type_ref ? LLVMArrayType(child_type->type_ref,
(unsigned int)array_size) : nullptr; (unsigned int)array_size) : nullptr;

8
test/cases/var_args.zig
View File

@ -79,3 +79,11 @@ fn assertSlicePtrsEql(args: ...) {
assert(s1.ptr == s2.ptr); assert(s1.ptr == s2.ptr);
} }
test "pass zero length array to var args param" {
doNothingWithFirstArg("");
}
fn doNothingWithFirstArg(args: ...) {
const a = args[0];
}