[Bug target/39240] [4.2/4.3/4.4 Regression] Invalid sibcall optimization with promoted return types and differing signedness

[jakub at gcc dot gnu dot org]

------- Comment #3 from jakub at gcc dot gnu dot org  2009-02-20 10:13 -------
Subject: Bug 39240

Author: jakub
Date: Fri Feb 20 10:13:17 2009
New Revision: 144316

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=144316
Log:
        PR target/39240
        * calls.c (expand_call): Clear try_tail_call if caller and callee
        disagree in promotion of function return value.

        * gcc.c-torture/execute/pr39240.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr39240.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/calls.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39240