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| author | Joseph Myers <joseph@codesourcery.com> | 2010-01-01 18:08:17 +0000 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2010-01-01 18:08:17 +0000 |
| commit | dadab4fd220ff852e68afdd855a5702d3eb22447 (patch) | |
| tree | 4377e3cf62ac8d551491136201deeb693025608f /gcc | |
| parent | e4a95933a61da64ab7b32186baa2c62312c1f623 (diff) | |
| download | gcc-dadab4fd220ff852e68afdd855a5702d3eb22447.zip gcc-dadab4fd220ff852e68afdd855a5702d3eb22447.tar.gz gcc-dadab4fd220ff852e68afdd855a5702d3eb22447.tar.bz2 | |
re PR preprocessor/41947 (GCC Hexadecimal Floating point constant handling)
libcpp:
PR preprocessor/41947
* expr.c (cpp_classify_number): Give error for hexadecimal
floating-point constant with no digits before or after point.
gcc/testsuite:
* gcc.dg/c99-hexfloat-3.c: New test.
From-SVN: r155558
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/c99-hexfloat-3.c | 25 |
2 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 35ea64b..b649072 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-01-01 Joseph Myers <joseph@codesourcery.com> + + PR preprocessor/41947 + * gcc.dg/c99-hexfloat-3.c: New test. + 2010-01-01 Richard Guenther <rguenther@suse.de> PR c/42570 diff --git a/gcc/testsuite/gcc.dg/c99-hexfloat-3.c b/gcc/testsuite/gcc.dg/c99-hexfloat-3.c new file mode 100644 index 0000000..62dc495 --- /dev/null +++ b/gcc/testsuite/gcc.dg/c99-hexfloat-3.c @@ -0,0 +1,25 @@ +/* Test syntax of hexadecimal floating point constants: at least one + digit needed before or after point. PR 41947. */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */ + +double d0 = 0x0.0p0; +double d1 = 0x.0p0; +double d2 = 0x0.p0; +double d3 = 0x0.0p+0; +double d4 = 0x.0p+0; +double d5 = 0x0.p+0; +double d6 = 0x0.0p-0; +double d7 = 0x.0p-0; +double d8 = 0x0.p-0; + +double e0 = 0x.p0; /* { dg-error "no digits" } */ +double e1 = 0x0.; /* { dg-error "require an exponent" } */ +double e2 = 0x.0; /* { dg-error "require an exponent" } */ +double e3 = 0x0.0; /* { dg-error "require an exponent" } */ +double e4 = 0x0.0p; /* { dg-error "exponent has no digits" } */ +double e5 = 0x0.0pf; /* { dg-error "exponent has no digits" } */ +double e6 = 0x0.0p+; /* { dg-error "exponent has no digits" } */ +double e7 = 0x0.0p+f; /* { dg-error "exponent has no digits" } */ +double e8 = 0x0.0p-; /* { dg-error "exponent has no digits" } */ +double e9 = 0x0.0p-f; /* { dg-error "exponent has no digits" } */ |