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increase stack size for aix

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This commit is contained in:
Henry Jiang 2024-10-01 16:06:24 -04:00
parent c817d5dc20
commit 9be9141730
1 changed files with 4 additions and 0 deletions
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4
compiler/rustc_data_structures/src/stack.rs
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@ -5,7 +5,11 @@
// Only the first stack that is pushed, grows exponentially (2^n * STACK_PER_RECURSION) from then
// on. This flag has performance relevant characteristics. Don't set it too high.
#[cfg(not(target_os="aix"))]
const STACK_PER_RECURSION: usize = 1024 * 1024; // 1MB
// LLVM for AIX doesn't feature TCO, increase recursion size for workaround.
#[cfg(target_os="aix")]
const STACK_PER_RECURSION: usize = 16 * 1024 * 1024; // 16MB
/// Grows the stack on demand to prevent stack overflow. Call this in strategic locations
/// to "break up" recursive calls. E.g. almost any call to `visit_expr` or equivalent can benefit