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| author | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1994-04-18 19:25:32 +0000 |
|---|---|---|
| committer | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1994-04-18 19:25:32 +0000 |
| commit | dba2db4a058e8334c4ffc79218fd8eee6d8688d8 (patch) | |
| tree | f8fb9b4a3aed4311f41914b21a118c7b381e6edb /gcc/c-lex.c | |
| parent | 01ed6270e984095e8640c74d3ccd242ed3439992 (diff) | |
| download | gcc-dba2db4a058e8334c4ffc79218fd8eee6d8688d8.tar.gz | |
(yylex): If FP value is NaN, use value of zero.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@7071 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-lex.c')
| -rw-r--r-- | gcc/c-lex.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/c-lex.c b/gcc/c-lex.c index 997e9a0fcdc..ad34e601327 100644 --- a/gcc/c-lex.c +++ b/gcc/c-lex.c @@ -1407,6 +1407,12 @@ yylex () if (garbage_chars > 0) error ("garbage at end of number"); + /* If the result is not a number, assume it must have been + due to some error message above, so silently convert + it to a zero. */ + if (REAL_VALUE_ISNAN (value)) + value = dconst0; + /* Create a node with determined type and value. */ if (imag) yylval.ttype = build_complex (convert (type, integer_zero_node), |