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| author | Richard Kenner <kenner@gcc.gnu.org> | 1994-04-18 15:25:32 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-04-18 15:25:32 -0400 |
| commit | a47a0ed53b1068e5100befb6bb6b7d5af211a382 (patch) | |
| tree | f8fb9b4a3aed4311f41914b21a118c7b381e6edb /gcc/c-lex.c | |
| parent | 28612f9eb6f0aa1a5e441a1c42bc261a08c3d7e2 (diff) | |
| download | gcc-a47a0ed53b1068e5100befb6bb6b7d5af211a382.zip gcc-a47a0ed53b1068e5100befb6bb6b7d5af211a382.tar.gz gcc-a47a0ed53b1068e5100befb6bb6b7d5af211a382.tar.bz2 | |
(yylex): If FP value is NaN, use value of zero.
From-SVN: r7071
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 997e9a0..ad34e60 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), |