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| author | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2022-05-31 13:53:18 +0200 |
|---|---|---|
| committer | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2022-05-31 13:53:18 +0200 |
| commit | 56afb504c0b917a2563b44fabe2f1e92e4c14287 (patch) | |
| tree | 73cca4ee011daee4ab40a7d19db2bb91b4307682 /builtin.c | |
| parent | 5a0004b591e311cb840633144087dee6ecdade17 (diff) | |
| parent | 3d1d65bfe6dad089b9c2a8d69f36ba5301a9509c (diff) | |
| download | sparse-dev-56afb504c0b917a2563b44fabe2f1e92e4c14287.tar.gz | |
Merge branch 'fixes' into master
* fix zero/sign extension of integer character constants
* handle clang's option "-meabi gnu"
* fix infinite loop when expanding __builtin_object_size() with self-init vars
Diffstat (limited to 'builtin.c')
| -rw-r--r-- | builtin.c | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -546,11 +546,19 @@ static int expand_object_size(struct expression *expr, int cost) // a deref is just intermediate variable // and so the offset needs to be zeroed. if (arg->op == '*') { + struct expression *parent = arg; arg = arg->unop; off = 0; switch (arg->type) { case EXPR_SYMBOL: arg = arg->symbol->initializer; + if (arg == parent) { + // stop at self-initialized vars + // and do not expand them. + arg = NULL; + val = -1; + break; + } continue; default: break; |