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From: Jan Hubicka <hubicka@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-5921] Do not ICE on ternary expressions when calculating value ranges Date: Mon, 13 Dec 2021 08:39:27 +0000 (GMT) [thread overview] Message-ID: <20211213083927.720353858409@sourceware.org> (raw) https://gcc.gnu.org/g:3b61f06b2e1e7e72fcb6c0cf3590cb25eb92c4f2 commit r12-5921-g3b61f06b2e1e7e72fcb6c0cf3590cb25eb92c4f2 Author: Jan Hubicka <jh@suse.cz> Date: Mon Dec 13 09:38:53 2021 +0100 Do not ICE on ternary expressions when calculating value ranges gcc/ChangeLog: 2021-12-12 Jan Hubicka <hubicka@ucw.cz> PR ipa/103513 * ipa-fnsummary.c (evaluate_conditions_for_known_args): Do not ICE on ternary expression. gcc/testsuite/ChangeLog: 2021-12-12 Jan Hubicka <hubicka@ucw.cz> PR ipa/103513 * gcc.c-torture/compile/pr103513.c: New test. Diff: --- gcc/ipa-fnsummary.c | 2 +- gcc/testsuite/gcc.c-torture/compile/pr103513.c | 8 ++++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/gcc/ipa-fnsummary.c b/gcc/ipa-fnsummary.c index 6c1cdf17e47..cb3c198ec0c 100644 --- a/gcc/ipa-fnsummary.c +++ b/gcc/ipa-fnsummary.c @@ -513,7 +513,7 @@ evaluate_conditions_for_known_args (struct cgraph_node *node, op->index ? &vr : &op0); } else - gcc_unreachable (); + res.set_varying (op->type); type = op->type; vr = res; } diff --git a/gcc/testsuite/gcc.c-torture/compile/pr103513.c b/gcc/testsuite/gcc.c-torture/compile/pr103513.c new file mode 100644 index 00000000000..ca876a9816c --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr103513.c @@ -0,0 +1,8 @@ +int a; +void b(int c) { + int d = 3; + d ^= c < 2; + if (d < 3 && a) + while (1) + b(!a); +}
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