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Merge pull request #3709 from Feoramund/stop-low-swizzle

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Prevent panic when `swizzle` called with < 2 indices
This commit is contained in:
Jeroen van Rijn
2024-06-08 23:14:55 +02:00
committed by GitHub
parent e5bf6fd3aa 49f147cc86
commit 0d698c7b53
1 changed files with 3 additions and 0 deletions
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src/check_builtin.cpp
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@@ -2419,6 +2419,9 @@ gb_internal bool check_builtin_procedure(CheckerContext *c, Operand *operand, As
if (arg_count > max_count) { if (arg_count > max_count) {
error(call, "Too many 'swizzle' indices, %td > %td", arg_count, max_count); error(call, "Too many 'swizzle' indices, %td > %td", arg_count, max_count);
return false; return false;
} else if (arg_count < 2) {
error(call, "Not enough 'swizzle' indices, %td < 2", arg_count);
return false;
} }
if (type->kind == Type_Array) { if (type->kind == Type_Array) {