From: No Author Date: Sat, 28 Sep 2002 00:32:16 +0000 (+0000) Subject: This commit was manufactured by cvs2svn to create branch X-Git-Tag: releases/gcc-3.2.1~234 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46709fe1ad60cda5c82e4f5b620f13e0ae026cde;p=thirdparty%2Fgcc.git This commit was manufactured by cvs2svn to create branch 'gcc-3_2-branch'. From-SVN: r57600 --- diff --git a/gcc/testsuite/gcc.c-torture/compile/20020927-1.c b/gcc/testsuite/gcc.c-torture/compile/20020927-1.c new file mode 100644 index 000000000000..b93d8a18d5e3 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20020927-1.c @@ -0,0 +1,26 @@ +/* PR optimization/7520 */ +/* ICE at -O3 on x86 due to register life problems caused by + the return-without-value in bar. */ + +int +foo () +{ + int i; + long long int j; + + while (1) + { + if (j & 1) + ++i; + j >>= 1; + if (j) + return i; + } +} + +int +bar () +{ + if (foo ()) + return; +} diff --git a/gcc/testsuite/gcc.dg/cpp/20020927-1.c b/gcc/testsuite/gcc.dg/cpp/20020927-1.c new file mode 100644 index 000000000000..91f89518a22c --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/20020927-1.c @@ -0,0 +1,91 @@ +/* Test case for buffer overflow bug in token stringification. + See PR preprocessor/8055 for details. + Reported by Alexander N. Kabaev . + Test case written by Zack Weinberg . */ + +/* { dg-do preprocess } */ + +#define S(x) #x + +/* Fill up one internal buffer with data. */ +S(1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 1234567890123456789012345678901234567890123456789012345678901234567890 + 12345678901234567890123456789012345678901234567890123456789012345) + +/* When stringify_arg() was called with an empty macro argument, it would + advance the buffer pointer by one but fail to check for running past the + end of the buffer. We can only know where the end of the buffer is to + within about eight bytes, so do this sixteen times to be sure of hitting + it. */ + +S() +S() +S() +S() +S() +S() +S() +S() +S() +S() +S() +S() +S() +S() +S() +S() + +/* Now allocate more memory in the buffer, which should provoke a crash. */ + +S(abcdefghijklmnopqrstuvwxyz) +S(abcdefghijklmnopqrstuvwxyz)